UMEM Educational Pearls

Previous pediatric studies have shown that 1) air transport has shown improved outcomes compared to matched ground transports but 2) air transport may be overutilized.

This was a multicenter retrospective study using the Pediatric Emergency Care Applied Research Network Registry from 2012-2021 looking at pediatric patients transported to the ED by helicopter.  This registry does not differentiate between field transports and interfacility transfers. The study looked to identify patients who were discharged from the ED or had a hospital stay < 48 hours.  7722 patients were included with a median age of 5.9 years.  20% of these patients were discharged from the ED.  Among those admitted, over half were discharged within 48 hours.  Patients who were discharged from the ED were found to have triage < ESI 1, missing a systolic blood pressure or temperature.  Tachycardia, tachypnea, hypertension and abnormal temperature were associated with a lower rate of ED discharge.

Bottom line: Additional research is needed to identify patients who may be more appropriate for ground transport or when transport is not needed (or could be replaced with telemedicine).

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Title: The 2026 Acute PE Guidelines

Category: Critical Care

Keywords: Pulmonary embolism, massive PE, submassive PE, RV failure, cardiogenic shock, guidelines (PubMed Search)

Posted: 5/19/2026 by Kami Windsor, MD
Click here to contact Kami Windsor, MD

Not all patients with an acute PE will be crashing and critically ill, but it seemed worthwhile to remind everyone that there are new guidelines and recommendations from AHA/ACC/ACCP/ACEP/CHEST/SCAI/SHM/SIR/SVM/SVN/XYZLMNOP about the management of patients with acute pulmonary embolism in the 2026 AHA/ACC Joint Committee statement.  A few key takeaways, with highlights for the sicker PE patients: 

  1. New Classifications A through E for acute PE (see images below)
  2. LMWH recommended over unfractionated heparin when parenteral AC is needed, unless contraindicated
  3. DOACs recommended over warfarin unless contraindicated

Highlights for the sicker PE patients, i.e. Categories C+:

  • Get a look at the RV! (POCUS, CT, formal echo)
    • Further stratify Category C patients/identify Category D earlier
    • Find out how close to decompensation the patient might be
    • Inform your management if the patient decompensates
      • For PE patients with e/o RV strain (C2+ per this document; for me, particularly those C3+ with respiratory complaints as a marker of poor pulmonary perfusion, or Category D+), consider use of inhaled vasodilators
  • Be careful with any sedation even if normotensive – decreasing preload / blunting the body's compensatory adrenergic response can be disastrous, have hemodynamic support available
  • If you have to intubate, choose induction meds wisely and have hemodynamic support ready
  • For patients with Category D-E acute PE:
    1. Norepinephrine = initial vasopressor of choice for hypotension due to modest inotropic effects; max at 15mcg/min due to effects on pulmonary vascular resistance at higher doses, if second vasopressor needed, reach for vasopressin
    2. Dobutamine as additional inotropic support OR for normotensive shock 
    3. Avoid fluid boluses unless patient is also hypovolemic, and then give small boluses (250mL) only
  • Consider advanced therapies for Category D and particularly E
  • PE Response Team (PERT) Consultation recommended – and depending on where you practice, can help get the patient transferred if advanced therapies are an option

For a great breakdown and further discussion of the new guidelines, I recommend checking out the Life in the Fast Lane blogpost here.

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This is a small qualitative study that focused on barriers to care and how to overcome them when dealing with patients with dementia, who are primarily Spanish speaking. The authors found to big themes that patients and caretakers thought would improve their care:

1- use of a certified translator, either telephonically or in person, eased social dynamics in communication

2- those same translators tended to only be used in an episodic manner- during HPI, exlaining results or discharge planning. But the patients and caretakers would prefer to have access to them in the “in between” periods so that it would be a more patient centered experience

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Title: Motorcycle helmet removal refresher

Category: Trauma

Keywords: Removal, motorcycle helmet (PubMed Search)

Posted: 5/17/2026 by Robert Flint, MD
Click here to contact Robert Flint, MD

Here are two techniques to remove a helmet from an injured motorcyclist. The first uses a cast saw to bivalve the helmet. A link for a video is also provided.   

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Title: Is there an ideal initial dose for pediatric defibrillation?

Category: Pediatrics

Keywords: CPR, ILCOR, PALS, VF, defibrillation (PubMed Search)

Posted: 5/15/2026 by Jenny Guyther, MD (Updated: 5/22/2026)
Click here to contact Jenny Guyther, MD

US and International guidelines differ on the initial defibrillation dose in pediatric patients.  International, European, Australian and New Zealand guidelines had recommend an initial dose of 4 J/kg for the initial and all subsequent doses while the American Heart Association recommends an initial dose of 2-4J/kg (with 2 J/kg in the teaching algorithms) with subsequent shocks being at least at 4J/kg and no greater than 10 J/kg.   More recently, ILCOR suggested an initial dose of 2-4 J/kg.

This was a systemic review of 7 observational studies, mostly involving in hospital pediatric cardiac arrests.  Outcomes of termination of VF/pVT, ROSC and survival to hospital discharged were examined in relation to the initial J/kg dose that was used compared to initial doses of 2 J/kg.  Outcomes were neither better or worse with doses < 1.5 J/kg or > 2.5 J/kg.  Additional research is needed as this certainty of this evidence was considered “very low.”

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Title: Contraception Initiation in the Emergency Department

Category: Obstetrics & Gynecology

Keywords: contraception, reproductive care (PubMed Search)

Posted: 5/14/2026 by Ashley Martinelli (Updated: 5/15/2026)
Click here to contact Ashley Martinelli

Access to reproductive care is being limited across the country, and the rate of undesired pregnancies is rising. 

Discussing contraception preferences in the Emergency Department can support patients as well as and reduce the morbidity and mortality associated with an undesired pregnancy. Simply asking patients of childbearing age: "Are you interested in discussing pregnancy prevention?" can bridge a gap in access to reliable care. Easy and accessible tools can be used on shift to assist with appropriate initiation.  

On Shift Tools:

Contraception Initiation • Clinical Resources • FemInEM

www.bedsider.org -Patient friendly comparisons of contraception options

Quick Start Contraception Care in the ED - Bridge to Treatment - ED oriented flow diagram

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Lower GI bleed is a common reason for ED visits. This study aimed to validate a scoring system to identify low-risk LGIB pts who could be safely discharged from the ED.

The SHA2PE score incorporates characteristics and data that are commonly collected on patients with this complaint; readers can click through to see the scoring system. A score of less than or equal to 1 helps identify patients suitable for outpatient management, with a NPV of 98.3% (95% CI [97.2-99.1]) for predicting the need for hospitalization and acute intervention.  However, the findings should be interpreted with caution given the relatively low prevalence of interventions within the study population.

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Title: Can Abx at Intubation Prevent VAP?

Category: Critical Care

Keywords: ventilator associated pneumonia, intubation, stroke, brain injury, antibiotics (PubMed Search)

Posted: 5/12/2026 by Jessica Downing, MD
Click here to contact Jessica Downing, MD

Should we give a dose of antibiotics after intubating to reduce risk of VAP down the line? A multicenter RCT conducted in 2024 - the PROPHY-VAP Trial - found that a single dose of 2g ceftriaxone administered within 12 hours of intubation reduced VAP within the first week of hospitalization for patients intubated for airway protection due to TBI, stroke or SAH, with a VAP rate of 14% in the CTX group vs 32% in the VAP group (HR 0.60; 95% CI 0.38-0.95).

Click the link below for details and additional discussion

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Title: Effect of dementia on trauma patient disposition

Category: Trauma

Keywords: Dementia trauma independent living (PubMed Search)

Posted: 4/28/2026 by Robert Flint, MD (Updated: 5/10/2026)
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In 290 trauma patients diagnosed with dementia prior to injury, when compared to 3000 patients over age 65 without dementia and similar injury severity score, the dementia patients had a much higher rate of discharge to an institution instead of back to home living. This was particularly true of older women.

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Title: Hip pain after a fall

Category: Orthopedics

Posted: 5/9/2026 by Brian Corwell, MD (Updated: 5/22/2026)
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How much do you trust your plain film in the evaluation of elderly patients with traumatic hip pain?

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Title: Pediatric Electrolytes: Approach to Hypocalcemia

Category: Pediatrics

Keywords: pediatrics, hypocalcemia, calcium, seizures, electrolytes (PubMed Search)

Posted: 5/8/2026 by Kathleen Stephanos, MD (Updated: 5/22/2026)
Click here to contact Kathleen Stephanos, MD

BOTTOM LINE: It is critical to recognize and treat symptomatic hypocalcemia in pediatric patients. 

Pediatric hypocalcemia has a variety of causes that should be considered. In the neonate congenital causes should be on the differential.

  • In neonates, common causes include prematurity, infections, and maternal diabetes
  • In infants and children vitamin D deficiency is most common, with rare causes including genetic etiologies, hyperparathyroidism and pseudohypoparathyroidism

Parathyroid hormone levels should be checked on all patients along with magnesium levels and ionized calcium.  

An ECG should also be obtained for prolonged QTc. 

Management is guided by acute symptoms (tetany, seizures, cramping, etc.) or other signs of critical illness (sepsis, trauma, etc.) in conjunction with low ionized calcium levels. 

For symptomatic patients give 20 mg/kg of elemental calcium IV over a 10–20 min period

  • 2 ml/kg of 10% calcium gluconate OR
  • 0.7 ml/kg of 10% calcium chloride

For asymptomatic patient oral calcium supplements are typically given. 

Failure to recognize concomitant hypomagnesemia may result in hypocalcemia that is resistant to treatment. 

Disposition: Those children receiving IV calcium should be admitted with every 4-to-6-hour calcium levels and typically require ICU level admission. Children being monitored with oral supplementation can often be observed on a pediatric floor presuming there are no ECG abnormalities.

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Title: Help transitioning dementia patients home after ED visit

Category: Geriatrics

Keywords: Readmission, dementia, paramedic, home health (PubMed Search)

Posted: 4/28/2026 by Robert Flint, MD (Updated: 5/7/2026)
Click here to contact Robert Flint, MD

This article describes a paramedic run community health initiative to assist people with dementia transition to home after an ED visit. They describe:

“Persons living with dementia (PLWD) frequently use the emergency department (ED) for unscheduled care and experience significant challenges during the ED-to-home transition.

The Community Paramedic-led Transitions Intervention (CPTI) is a structured, coaching-based program delivered by community paramedics that includes a home visit and follow-up calls to support PLWD and care partners during the 30?days after ED discharge.”

Could your ED use a program like this to prevent readmissions?

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Title: Salicylate Toxicity Interventions

Category: Toxicology

Keywords: Salicylate toxicity, cerebral glucopenia, sodium bicarbonate, hemodialysis (PubMed Search)

Posted: 5/6/2026 by Kathy Prybys, MD
Click here to contact Kathy Prybys, MD

Bottom Line: Multiple modalities of intervention may be needed to combat various aspects of salicylate toxicity. These include gastric decontamination, fluid hydration, dextrose admiinistration, aggressive serum alkalinization, establishment of normokalemia and hemodialysis. Intubation and chemical restraint should be avoided if possible.

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Title: Buprenorphine and rib fractures in older patients

Category: Trauma

Keywords: Rib fractures, geriatric, pain control (PubMed Search)

Posted: 4/28/2026 by Robert Flint, MD (Updated: 5/3/2026)
Click here to contact Robert Flint, MD

A retrospective study looking at use of transdermal Buprenorphine in older trauma patients with rib fractures found a good safety profile (less naloxone use) and less overall opioid use however no change in overall length of stay or mortality. Adding this to your multimodal pain strategy in older patients with rib fractures seems like a reasonable plan.

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Title: Constipation as a function of a geriatric syndrome

Category: Geriatrics

Keywords: Constipation geriatric complex (PubMed Search)

Posted: 4/28/2026 by Robert Flint, MD (Updated: 5/2/2026)
Click here to contact Robert Flint, MD

A narrative review of literature involving older patients and constipation found:

“Major contributing factors include physical inactivity, sarcopenia, dehydration, inappropriate defecation posture, and polypharmacy, particularly opioids and anticholinergic agents. Importantly, these factors interact through the brain–gut–microbiota axis, contributing not only to gastrointestinal dysfunction but also to systemic outcomes such as frailty, cognitive decline, and increased healthcare burden, thereby supporting a multidimensional disease framework.”

It isn’t as simple as adding a laxative.

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Title: A medicine can beget another medicine. Should it?

Category: Geriatrics

Keywords: Prescribing cascade (PubMed Search)

Posted: 4/28/2026 by Robert Flint, MD (Updated: 4/30/2026)
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The article outlines how instead of looking at medications as the cause of symptoms, we often add more medications to treat the medication induced symptoms.  Here is an example of how we get to polypharmacy in older patients  

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Title: Injuries associated with body armor struck by bullets

Category: Trauma

Keywords: Body armor, blunt injury, BABT (PubMed Search)

Posted: 4/26/2026 by Robert Flint, MD (Updated: 5/22/2026)
Click here to contact Robert Flint, MD

Body armor/ bullet resistant vests used by law enforcement are designed to stop penetration by handgun rounds. These rounds have less velocity than rifle rounds. When caring for someone who has been shot while wearing body armor, verify no penetration has occurred and then look for blunt injuries such as rib fractures, liver injuries, pneumothorax, cardiac contusion, vertebral injury, etc. Behind Armor Blunt Trauma (BABT) is the technical term for injuries caused by the transfer of kinetic energy that occurs when these vests are struck.

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Title: Chronic Pain after trauma

Category: Trauma

Keywords: trauma, chronic pain, (PubMed Search)

Posted: 4/4/2026 by Robert Flint, MD (Updated: 4/23/2026)
Click here to contact Robert Flint, MD

This narrative review of the trauma literature looking at chronic pain after trauma found: 

  1. Chronic pain occurs in 30–70% of trauma survivors, with prevalence varying by injury type. 
  2. Key risk factors include female sex, younger age, pre-existing pain, psychological distress, and social disadvantage. 
  3. Validated prediction models are available for musculoskeletal trauma
  4. Thoracic trauma is under represented in the pain literature, is often underrecognized, and less protocols are available for treatment
  5. Thoracic pain typically occurs through intercostal nerve damage and persistent pain following thoracic injury
  6. The authors suggest “A trauma-specific, biopsychosocial approach is key to reducing chronic pain and improving recovery.”

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Ambient Artificial Intelligence based scribes that create visit notes based on the conversation in the room during patient evaluation may save documentation time and reduce total time in the health record but may not perform as well as human scribes in some circumstances, at least for pediatric patient charts.

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Title: P:F vs S:F Ratio

Category: Critical Care

Keywords: Oxygenation, ARDS, P:F Ratio, S:F Ratio, Hypoxia, Mechanical Ventilation (PubMed Search)

Posted: 4/21/2026 by Mark Sutherland, MD (Updated: 5/22/2026)
Click here to contact Mark Sutherland, MD

PaO2 to FiO2 (P:F) ratios, are often considered the gold standard in critical care for assessing the degree of oxygen-refractory hypoxia in various pathologies, particularly ARDS.  P:F does have some limitations, including not accounting for the PEEP, but probably the most limiting is that it requires collecting an ABG, which is invasive and not always feasible or a top priority when resuscitating a critically ill hypoxic patient.  On the other hand, SpO2 (pulse ox saturation) is routinely available, and of course the FiO2 should be known, so many have suggested perhaps using an SpO2 to FiO2 (S:F) ratio instead.  But how S:F maps to P:F and how well they correlate is not fully known.  Chaudhuri et al recently conducted a meta-analysis, published in Critical Care Medicine this month, which reviewed the literature on this. 

Bottom Line: Yes, S:F ratios correlate well with P:F ratios, especially when the SpO2 is less than 97%, but you can't just substitute the S:F for P:F, you have to use one of the accepted formulas.  See additional info on the website for the actual formula to apply and how a given S:F translates to P:F.

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