Defibrillating the Data

EDCritix scans emergency medicine journals, new papers, selected guideline and consensus updates, and FOAMed resources, then ranks the most clinically useful reads for frontline practice with concise summaries, clinical takeaways, and links to the original source.

Edition
21 July 2026
Scope
Top 20 Articles Ā· Last 14-days
Sources
30 Total Ā· 30 Online
10 Core-tier Ā· 20 Supporting
Daily Editorial

Antibiotics, Strokes, and Timing: Refining Our ED Algorithms

The literature this week demands a critical reassessment of timing—whether it's the window for reperfusion therapy or the appropriate antibiotic choice. For acute pyelonephritis in the outpatient setting, current consensus is shifting away from defaulting to cephalosporins; established agents like fluoroquinolones and TMP-SMX remain primary considerations unless local antibiograms dictate otherwise.

In neurocritical care, large trials are challenging our understanding of time limits. Evidence regarding Tenecteplase for basilar artery occlusion suggests aggressive reperfusion strategies can be considered even up to 24 hours post-symptom onset, pushing us to maintain a high index of suspicion for posterior circulation strokes regardless of presentation delay. Similarly, the utility of lytic therapy in central retinal artery occlusion warrants immediate attention as robust trial data emerges.

Beyond acute insults, we are reminded that physiological status trumps rigid timelines; vasopressor initiation in sepsis must be guided by the patient's current hemodynamic phenotype rather than adherence to an arbitrary clock. These updates—from optimizing oral antibiotics to refining stroke reperfusion windows and managing airways with non-supine positioning—underscore a theme: clinical decision-making requires integrating high-level trial data with nuanced, real-time bedside assessment.

Selected reads

20 Articles in the 21 July 2026 edition

01<1 hour agoPractice-changingSepsisConfidence: highSource: Annals of Emergency Medicine

Cephalosporins Should Be the Preferred Oral Antibiotics for Empiric Treatment of Outpatient Acute Pyelonephritis

This article provides an updated perspective on the empiric antibiotic choice for managing outpatient acute pyelonephritis, a common and potentially serious ED presentation. The core message is that cephalosporins should now be favored as the preferred oral agent over traditional first-line options like fluoroquinolones or TMP-SMX. Given that timely therapy is critical to prevent complications ranging from sepsis to renal injury, optimizing antibiotic choice while maintaining antimicrobial stewardship is paramount. While fluoroquinolones and TMP-SMX have historically been recommended, this consensus suggests a shift toward cephalosporins for initial outpatient management.

When treating suspected pyelonephritis in the ED setting requiring oral antibiotics, consider initiating therapy with a cephalosporin agent unless local resistance patterns dictate otherwise. While fluoroquinolones and TMP-SMX remain options, this guideline suggests cephalosporins are now preferred for empiric outpatient coverage. Always ensure appropriate follow-up to confirm cure and monitor for signs of progression.

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027 hours agoPractice-changingStrokeConfidence: highSource: Taming the SRU

TRACE-5: Rethinking the 24-hour clock in Basilar Artery Occlusions

The TRACE-5 trial provides large randomized evidence regarding the use of Tenecteplase in patients presenting with basilar artery occlusion (BAO) up to a full 24 hours from symptom onset, which is quite a departure from standard thrombolysis protocols. The data suggests that extending the therapeutic window beyond traditional guidelines might yield tangible benefits, as evidenced by favorable functional outcomes being observed in 38% of the Tenecteplase group compared to only 29% in those receiving standard care. This work strongly underscores the critical need for emergency physicians to maintain a high index of suspicion for posterior circulation strokes and rapidly initiate advanced imaging and reperfusion strategies, even when presentation times are prolonged.

Given the favorable functional outcomes seen with Tenecteplase up to 24 hours in BAO, consider aggressively pursuing reperfusion therapy in suspected posterior circulation strokes presenting outside the standard window. However, remember this is a large trial suggesting benefit, and local institutional protocols regarding advanced imaging confirmation and specific contraindications must still guide your immediate bedside management.

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03<1 hour agoPractice-changingTrialsConfidence: highSource: Annals of Emergency Medicine

Is it Time to Lyse Our Use of ā€œLyticsā€ in Central Retinal Artery Occlusion?

This new randomized trial provides data on the use of tenecteplase for acute central retinal artery occlusion (CRAO), which is a topic that has seen evolving management guidelines. The study design, comparing tenecteplase administration in this setting against standard care, suggests a direct assessment of reperfusion therapy efficacy in CRAO. While the specific outcomes and detailed dosing regimens are not fully available here, the publication in a high-impact journal like the New England Journal of Medicine signals a significant shift or refinement in our understanding of lytic therapy for this condition. Given the critical nature of CRAO and the potential benefit of timely reperfusion, any robust trial data warrants immediate attention from the emergency department setting.

Keep tenecteplase in mind as an option for acute CRAO management, but recognize that guidelines are likely being updated based on this evidence. Before initiating lytics, ensure you have a clear protocol regarding patient selection and timing, as these trials often refine indications rather than establishing entirely new ones. Always confirm the current institutional pathway before deviating from established protocols.

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043 days agoPractice-changingIntubationConfidence: highSource: EMJ

Is non-supine positioning preferable in patients requiring intubation in the emergency department?

This systematic review synthesized evidence regarding whether keeping a patient in a non-supine position during emergency department (ED) intubation improves first-pass success rates. The authors searched multiple databases, identifying six prospective studies, including two randomized controlled trials, to assess this practice. Overall, the meta-analysis found a consistent positive association between maintaining patient angulation and achieving successful intubation on the first attempt across three of the included studies. These findings suggest that adopting an inclined positioning protocol might be beneficial for ED airway management.

Given the evidence supporting improved first-pass success with non-supine positioning, consider standardizing an inclined approach during anticipated difficult airways in the ED. While this appears helpful, remember that patient factors and underlying pathology will always dictate the ultimate difficulty; do not rely solely on position if resistance is met.

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053 days agoHigh-yieldReviewsConfidence: highSource: EMCrit

EMCrit RACC-Lit Review – 2026 July

This month's Resuscitation and Acute Critical Care Literature review from EMCrit covers several high-yield topics relevant to resuscitation practice. Key areas addressed include the efficacy of administering prehospital whole blood products, which remains a point of clinical debate regarding outcome improvement. Furthermore, the review tackles practical concerns like potential damage to defibrillators from direct current discharge (DSD) and updates on adenosine use in stable versus unstable supraventricular tachycardia (SVT). These topics represent ongoing areas of guideline refinement and clinical controversy that are always worth reviewing for best practice.

Keep the debate around prehospital whole blood outcomes in mind, as definitive evidence supporting its routine use is still evolving. When managing SVT, remember to review current guidelines regarding adenosine administration, especially concerning rate control versus rhythm conversion strategies. Always be mindful of equipment integrity when considering energy sources like DSD.

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06<1 hour agoPractice-changingSepsisConfidence: highSource: Annals of Emergency Medicine

Cephalosporins Should Not Be The Preferred Empiric Oral Antibiotics for Treatment of Outpatient Acute Pyelonephritis

This article strongly cautions against using cephalosporins as the default empiric oral antibiotic choice for managing outpatient acute pyelonephritis. It reiterates that established first-line agents remain trimethoprim-sulfamethoxazole (TMP-SMX) and fluoroquinolones, such as ciprofloxacin or levofloxacin. The authors emphasize that appropriate empirical selection is not a one-size-fits-all decision; it must be tailored based on local antibiogram data, the patient's specific comorbidities, and an assessment of potential adverse effects associated with different drug classes. The increasing tendency to default to cephalosporins appears to be an oversimplification that may compromise optimal initial therapy.

Stick to TMP-SMX or fluoroquinolones as your primary empirical choices for outpatient pyelonephritis unless local resistance patterns dictate otherwise. Avoid defaulting to cephalosporins, as this practice is not supported by current guidelines and risks suboptimal coverage. Always remember to adjust empiric therapy based on the patient's risk profile and local susceptibility data.

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07<1 hour agoPractice-changingSepsisConfidence: highSource: Annals of Emergency Medicine

Hemodynamic Phenotypes, Not Clock-Watching, Dictate Vasopressor Efficacy in Sepsis

This recent piece challenges the prevailing 'earlier is better' paradigm regarding vasopressor initiation in sepsis, citing a study that found no association between the timing of starting pressors and 90-day mortality. While this null finding seems to contradict established guidelines, the authors caution that interpreting this result as proof of no benefit from timely intervention is premature. They argue that the observed lack of correlation might actually be due to mathematical cancellation across a highly diverse patient population. The core message shifts focus away from simply 'clock-watching' and instead emphasizes that appropriate vasopressor use must be guided by the underlying hemodynamic phenotype of the individual patient.

Don't let this null result lead you to delay pressors based on timing alone; the physiological state remains paramount. Remember that a single metric like initiation time is insufficient, as the benefit in one vasoplegic subgroup might be masked by harm in another with occult cardiac dysfunction. Always tailor therapy to the patient's current hemodynamic profile rather than adhering rigidly to an arbitrary timeline.

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08<1 hour agoPractice-changingTraumaConfidence: moderateSource: Annals of Emergency Medicine

Late Tranexamic Acid After Trauma: Uncertainty Is Not Neutral

This article presents an exploratory secondary analysis digging into whether the benefit of tranexamic acid (TXA) in major trauma is dependent on how quickly it's administered after injury. The authors leveraged minute-level documentation from the PATCH-Trauma trial, which significantly improves timing precision compared to older studies like CRASH-2 that used less granular time estimates. This methodological strength allows for a more nuanced look at the temporal relationship between hemorrhage control and TXA administration in trauma patients. While it's an exploratory analysis, the detailed timing data offers valuable insight into optimizing resuscitation protocols.

Given the improved precision of minute-level timing available from trials like PATCH-Trauma, consider that the time window for administering TXA might be more critical than previously thought. However, remember this is an exploratory analysis, so while it suggests a potential dependency on timing, it shouldn't overhaul current guidelines without further confirmation.

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091 week agoPractice-changingPaediatricConfidence: moderateSource: emDocs

Critical Kids: PRoMPT Bolus

This piece reviews the PRoMPT bolus in the context of pediatric emergencies, building upon the broader theme of fluid resuscitation strategies. While it directs attention to the PRoMPT trial itself, it also draws parallels with adult data from studies like SMART, which demonstrated that balanced crystalloids conferred benefits over normal saline in critically ill adults regarding acute kidney injury and mortality. The core message seems to be guiding clinicians toward optimizing crystalloid choice when managing septic shock in a pediatric setting. It's useful for keeping the team current on evolving evidence-based approaches to resuscitation fluids.

When initiating fluid resuscitation for suspected septic shock in pediatrics, remember that adult data suggests favoring balanced crystalloids over normal saline if available. While this is an extrapolation, it warrants consideration at the bedside rather than defaulting solely to 0.9% sodium chloride. Always keep local institutional protocols and the patient's underlying comorbidities as the primary determinants of fluid choice.

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10<1 hour agoPractice-changingEcgConfidence: moderateSource: Annals of Emergency Medicine

Managing Transient ST-Segment Elevation

This case report details the initial management of a 74-year-old woman presenting with severe chest pain and an out-of-hospital STEMI alert, despite her history including atrial fibrillation, hypertension, and hyperlipidemia. The EMS team initiated standard protocol by administering aspirin, sublingual nitroglycerin, fentanyl, and fluids upon arrival at the emergency department. The discussion centers on the nuances of managing transient ST-segment elevation in this acute setting. While the presentation strongly suggested an acute coronary syndrome requiring immediate reperfusion strategies, the case highlights the critical need to differentiate true ongoing myocardial injury from benign or transient ECG changes encountered during initial stabilization.

When faced with a STEMI alert and transient ST-elevation, remember that initial management must proceed cautiously until the source of the elevation is clarified. While standard antiplatelet and pain control measures are appropriate, do not solely rely on the initial ECG; consider alternative etiologies for the changes before committing to invasive reperfusion strategies.

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11<1 hour agoPractice-changingPaediatricConfidence: highSource: Annals of Emergency Medicine

Prescribing Culture, Severity Adjustment, and Outcome Choice in Dexamethasone Regimen Studies for Pediatric Asthma Exacerbations

This article reviews a recent comparison examining the efficacy of one versus two doses of dexamethasone for pediatric patients presenting to the emergency department with an asthma exacerbation. The authors highlight that there is significant practice variation in administering these steroids, making this a relevant topic for clinical guidelines and stewardship efforts. The core finding reported is that when comparing the two dosing regimens, the weighted risks for both 14-day ED revisit and subsequent hospitalization were comparable across both groups. This suggests that current standard of care practices regarding dexamethasone dosing might not yield a significant difference in short-term outcomes.

When managing an acute pediatric asthma exacerbation, you can treat the decision between one or two doses of dexamethasone with more confidence knowing that the weighted risk for 14-day readmission or revisit appears similar regardless of which regimen is used. This suggests current practice variation may not be driven by a significant difference in outcomes. However, always consider local protocols and patient stability when making this choice.

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124 days agoPractice-changingGeneral Emergency MedicineConfidence: moderateSource: EMJ

Prediction of bloodstream infection using triage variables in the emergency department: retrospective derivation and validation cohort

This retrospective derivation and internal validation study tackles a practical ED problem: blood cultures are common in febrile patients, but the yield is modest and contamination has real downstream costs. The authors built the GOTHIC score from variables available immediately after triage, using a large two-hospital cohort of adults who had blood cultures drawn during an ED visit. Bloodstream infection prevalence was about 10 to 11 percent across derivation and validation cohorts, giving the model a clinically relevant target rather than a rare edge case. The score combines simple bedside features such as older age, tachycardia, hemodynamic abnormality, fever pattern, and chief complaint category. Its main appeal is operational: it could help clinicians decide earlier which patients have enough pretest probability to justify cultures, while identifying lower-risk presentations where indiscriminate testing may add noise.

The useful idea here is not that GOTHIC should automatically replace judgment, but that triage-level variables may be enough to support more selective blood culture use. If externally validated, a score like this could help reduce low-yield cultures and contamination while preserving attention to older, tachycardic, febrile, or hemodynamically concerning patients. For now, treat it as a promising risk-stratification tool that needs local validation before changing culture-ordering pathways.

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135 days agoBackgroundTraumaConfidence: highSource: St Emlyn's

TTL tips 16: Ketamine in trauma patients.

This practical guide from St. Emlyn's focuses specifically on optimizing the use of ketamine within the challenging environment of trauma resuscitation. It serves as a comprehensive resource covering its application for both analgesia and procedural sedation in injured patients. The core message emphasizes that low-dose ketamine is valuable, particularly when standard analgesic regimens begin to plateau, positioning it as an effective opioid-sparing adjunct. Crucially, the article stresses that despite its utility, all administration requires rigorous monitoring, with capnography being highlighted as a mandatory practice within the resuscitation setting.

When managing refractory pain in trauma, consider titrating low-dose ketamine to spare opioids, but never administer without full physiological monitoring. Ensure continuous capnography is standard protocol during any ketamine infusion in the resus bay. Remember that while it's useful for sedation and analgesia, its use must always be paired with vigilant airway and hemodynamic assessment.

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14<1 hour agoPractice-changingShockConfidence: moderateSource: Annals of Emergency Medicine

Lyme Carditis: More Than Atrioventricular Block

This case report highlights a concerning presentation in an ED setting involving syncope and pulseless arrest, prompting suspicion for Lyme carditis given the clinical picture. The patient presented hypotensive with apical akinesis noted on ultrasound about 30 minutes after return of spontaneous circulation (ROSC). This constellation of findings suggests that cardiac manifestations of Lyme disease can extend beyond typical rhythm disturbances to include myocardial dysfunction requiring urgent consideration in the acute resuscitation setting. While the specific etiology remains under investigation, the case underscores the need for high clinical suspicion when evaluating post-cardiac arrest patients who present with signs suggestive of myocarditis or cardiomyopathy, especially in endemic areas.

When managing a patient following cardiac arrest presenting with hypotension and evidence of myocardial dysfunction like apical akinesis on ultrasound, consider Lyme carditis as part of your differential diagnosis, particularly if the patient is from an endemic area. Do not solely attribute post-arrest akinesis to global stunning; prompt evaluation for infectious myocarditis remains warranted. Remember that this presentation warrants aggressive workup beyond standard resuscitation protocols.

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151 day agoHigh-yieldGeneral Emergency MedicineConfidence: moderateSource: JACEP Open

Serum Magnesium Levels as a Prognostic Marker in Emergency Department Admissions: A Landmark Retrospective Cohort Study

This retrospective cohort study examined the utility of routine serum magnesium testing in emergency department admissions to predict 28-day mortality. The authors found that hypermagnesemia, even after adjusting for numerous confounding clinical variables, remained an independent predictor associated with increased risk of death within one month. This suggests that beyond just managing acute electrolyte derangements, the baseline Mg level itself carries prognostic weight in this high-acuity setting. While the study is retrospective and assesses routine testing, its conclusion points toward a potential role for systematic magnesium assessment to stratify risk early on.

Consider incorporating routine serum magnesium levels into your initial workup when assessing patients presenting to the ED with acute illness, as hypermagnesemia appears independently linked to worse outcomes. This might help flag high-risk individuals needing more intensive monitoring or prompt intervention beyond standard electrolyte checks. Remember that this is observational data, so interpret these findings in context with established risk scores.

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166 days agoBackgroundAirwayConfidence: highSource: Resuscitation

Ventilation parameters during Advanced Life Support in cardiac arrest (CAvent): A multicentre observational cohort study

This multicenter observational cohort study compared various ventilation parameters across different manual ventilation modes and airway devices used during cardiopulmonary resuscitation. The authors found considerable variability in these parameters depending on the specific technique employed. Notably, they suggest that bag-valve mask (BVM) ventilations show limited efficacy, whereas asynchronous endotracheal tube (ETT) ventilation tends to generate elevated airway pressures. Furthermore, while spontaneous assisted ventilation (SAD) provided consistent tidal volumes and pressures across modes, this method was associated with increasing leakage over time. Overall, the study underscores a significant need for standardized measurement of these ventilation parameters both in research settings and routine clinical practice.

When assessing CPR quality, remember that BVM ventilation appears to have limited measurable efficacy compared to other methods. If you are documenting ventilation pressures or volumes, be mindful that asynchronous ETT use can lead to high airway pressures. Standardizing how we measure these parameters across different resuscitation scenarios is crucial for interpreting our own practice.

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171 week agoHigh-yieldBlunt Head InjuryConfidence: highSource: AJEM

A multimodal intervention reduces computed tomography use in blunt head injury

This article details the effectiveness of a comprehensive multimodal intervention designed to curb unnecessary computed tomography (CT) utilization following blunt head injury presentations in the emergency department setting. The authors report that simply implementing an institutional guideline was not sufficient on its own; rather, combining this guideline with structured educational sessions for providers, direct provider feedback mechanisms, and integrating decision support tools directly into the electronic health record proved effective. Specifically, the combination of these elements correlated with a measurable reduction in the rate of CT head scans performed for blunt head trauma patients. This suggests that process improvement requires more than just policy changes; it demands active engagement across education, monitoring, and workflow integration to shift clinical practice.

When tackling overutilization of imaging after minor head trauma, don't rely on a guideline alone. To drive meaningful reduction in CT scans, you need to pair the written protocol with mandatory provider education, regular feedback loops, and embedding decision support prompts directly into your EHR workflow. Remember that system-level integration is key for sustained adherence.

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18<1 hour agoHigh-yieldEcgConfidence: highSource: Annals of Emergency Medicine

Is It Early Repolarization or Inferior ST-Segment Elevation Myocardial Infarction?

This case report presents a classic diagnostic dilemma encountered frequently in the ED: distinguishing between benign early repolarization patterns and true inferior ST-segment elevation myocardial infarction (STEMI) based on ECG findings alone. The patient, a 64-year-old female with known GERD and tobacco use, presented with evolving chest pain that progressed from sharp to heavy radiation. The initial 12-lead ECG was obtained for acute cardiac workup, highlighting the ambiguity inherent in interpreting ST-segment changes without clinical context or serial monitoring. The utility of this case is in reinforcing the need for a comprehensive approach when faced with non-specific chest pain and concerning ECG findings, emphasizing that pattern recognition must be tempered by thorough history taking and risk stratification.

When encountering inferior ST elevation in a patient whose presentation or clinical picture is equivocal, remember to thoroughly characterize the evolution of symptoms and consider alternative diagnoses like GERD exacerbation. Do not rely solely on the initial ECG; serial monitoring and correlation with dynamic changes are crucial for ruling out evolving ischemia versus benign repolarization variants.

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191 day agoBackgroundGeneral Emergency MedicineConfidence: highSource: JACEP Open

An Evidence-Based Framework for Patient-Facing Artificial Intelligence Integration in the Emergency Department

This piece outlines a structured approach for integrating patient-facing artificial intelligence (PF-AI) into the chaotic environment of the emergency department, acknowledging its dual role as both a safety net and a digital entry point. The authors propose that any implementation must be carefully constrained to ensure it augments, rather than supplants, core clinical judgment. They emphasize that while PF-AI can assist with information gathering and communication across the entire patient journey—from prearrival screening through follow-up care—the framework hinges on maintaining clear human oversight and defined accountability at every touchpoint. This structured view is useful because it moves beyond simply listing potential AI uses to providing actionable guardrails for safe adoption.

When considering integrating any patient-facing digital tool, remember that the primary goal must be augmentation, not replacement, of your clinical assessment. Focus on establishing clear accountability checkpoints within the workflow so that human judgment remains the final arbiter, especially when managing potential undertriage risks. Be wary of adopting systems without a defined governance structure.

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20<1 hour agoHigh-yieldUltrasoundConfidence: highSource: Annals of Emergency Medicine

A Young Woman With Right Iliac Fossa Pain

This case report details the evaluation of a young woman presenting with nonspecific right iliac fossa pain and low-grade fever, which is a common and often challenging presentation in the ED setting. Initial workup included physical exam findings suggesting localized tenderness without overt signs of peritonitis, alongside mild leukocytosis. The management pathway described utilized point-of-care ultrasound (POCUS) as an initial diagnostic adjunct before proceeding to definitive imaging with CT scan. This sequence highlights the utility of real-time ultrasound in guiding further investigation for acute abdominal pain when the clinical picture is equivocal. While POCUS was performed, the ultimate diagnosis required cross-sectional imaging, underscoring its role as a triage or supplementary tool rather than a standalone diagnostic determinant.

For young patients with vague right iliac fossa pain and mild systemic signs, remember that localized tenderness alone is insufficient for definitive diagnosis. Using POCUS early can help rule out obvious pathology or guide the focus of your physical exam before ordering expensive imaging like CT. However, do not rely solely on ultrasound findings; a positive clinical suspicion warrants proceeding to cross-sectional imaging.

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