Contributor: Aaron Lessen, MD Educational Pearls: Back pain is a common presenting complaint in the emergency department. Challenges arise when tailoring care to elderly populations using standard medical therapy: Muscle relaxants carry the risk of CNS depression or anticholinergic effects such as urinary retention and confusion. Pain medications such as opiates have side effects including constipation, respiratory depression, and hypotension. NSAIDs carry a risk of GI bleeding and worsening kid...
Jun 01, 2026•2 min
Contributor: Travis Barlock, MD Educational Pearls: Caffeine Geography and Types: Caffeine is found throughout the world and has evolved independently in various plants that are not evolutionarily related through direct lineage, but rather demonstrate convergent evolution (i.e. different species evolve the same traits). These plants use caffeine as an insecticide. Examples of caffeine sources include coffee, tea, yerba-mate, guaraná, cacao, and yaupon holly. Roughly 85% of Americans are estimate...
May 25, 2026•5 min
Contributor: Travis Barlock, MD Educational Pearls: Endocannabinoid System: THC binds CB1 and CB2 receptors in neurons and immune cells Δ9-Tetrahydrocannabinol (THC) is the main psychoactive compound in cannabis CB1 and CB2 receptors typically bind endogenously-produced 2-arachidonoylglycerol (2-AG) and anandamide (AEA) to regulate pain, stress, and inflammation THC similarly binds CB1 and CB2, leading to the cannabinoid high: euphoria, paranoia, anxiety, analgesia, anti-inflammation, and appeti...
May 18, 2026•5 min
Contributor: Aaron Lessen, MD Educational Pearls: There has long been many questions about which IV fluid is best for ED resuscitation Multiple adult studies have shown no clear benefit of balanced fluid vs normal saline A large pediatric randomized clinical trial published in April compared balanced fluid vs normal saline in children with septic shock The study included about 9,000 patients from 47 emergency departments in five countries Patients with septic shock were randomized to receive eit...
May 11, 2026•2 min
Carepoint Journal Club is a quarterly series with discussions about a medical topic, brought to you by Carepoint's Emergency Physicians.
May 07, 2026•25 min
Contributor: Taylor Lynch, MD Educational Pearls: Conduction abnormalities are a common and clinically significant complication in patients who undergo transcatheter aortic valve replacement (TAVR) Clinical Features The most common abnormalities include high grade AV block and new onset LBBB Due to the close proximity of the aortic annulus to the AV node and His-Purkinje system More common in males, the elderly, and those with pre-existing conduction disease (RBBB or LBBB) Sinus pauses and sinus...
May 04, 2026•4 min
Contributor: Alec Coston, MD Educational Pearls: What are nasal intubations and when do we use them? Nasal intubations function similarly to oral intubations with the end goal of passing an endotracheal tube (ETT) through vocal cords and into the trachea to allow for a patent and secure airway, but differ in the main access point for the ETT (nare v.s. mouth). Nasal Intubations are seldom preferred to oral intubations as they carry risk for inducing bleeding from trauma to the nasal passages. In...
Apr 27, 2026•9 min
Contributor: Aaron Lessen, MD Educational Pearls: What are the common causes of agitation in the elderly? Baseline dementia causing a behavioral disturbance Delirium precipitated by an acute medical problem such as a UTI, pneumonia, overdose/side effect of home medications, urinary retention, constipation, pain, hypoxia, electrolyte abnormality, etc. Exacerbation of a primary psychotic condition such as schizophrenia or bipolar disorder. What environmental changes can help reduce agitation? Main...
Apr 20, 2026•4 min
Contributor: Aaron Lessen, MD Educational Pearls: Patients with pulmonary embolism (PE) are divided into three risk categories Low risk (non-massive PE): patients are stable Treatment: prescribe anticoagulants and discharge home Intermediate risk (submassive PE): patients are stable but display evidence of clot burden such as elevated troponin, elevated BNP, and/or right heart strain Treatment is controversial High risk (massive PE): patients are unstable with hypotension, hypoxia, and/or respir...
Apr 13, 2026•3 min
Hosts: Don Stader, Nate Novotny, Travis Barlock, and Jeffrey Olson In this episode, we reminice about the first 1000 medical minutes presented by EMM and what the next 1000 might hold. Below are all of the episodes referenced in this episode. Please go back and give them all a listen. Segment 1- Recap and Facts 1st medical minute o April 29, 2016. Almost exactly 10 years ago. o Diverticulitis and Antibiotics by Dr. Chris Holmes 1000th Medical Minute o March 30, 2026 o Treatment of burns by Aaron...
Apr 03, 2026•1 hr 29 min
Contributor: Aaron Lessen, MD Educational Pearls: Burns range in complexity from minor first-degree burns to more severe full-thickness burns. Initial basic burn management: Run the burn under cool running water for 20 minutes. Do not scrub the skin. Do not use ice water. Ideally initiated as soon as possible, but no later than 3 hours after injury. Applicable to all burns ranging from superficial to full thickness. Then apply a non-adherent dressing or sterile gauze. Can be done at home or upon...
Mar 30, 2026•3 min
Contributor: Travis Barlock, MD Educational Pearls: What is an internal jugular catheter (IJ) and when do we use it? IJs are catheters that can be placed in either the left or the right internal jugular vein to provide central venous catheter (CVC) access. CVCs can be placed in other locations other than the internal jugular vein (i.e. subclavian vein or femoral veins). IJs are used when the patient may require long-term venous access or have to receive hyperosmolar solutions (such as solutions ...
Mar 23, 2026•3 min
Contributor: Aaron Lessen, MD Educational Pearls: How long do we need to watch patients with a presumed overdose who were treated with naloxone in the field? A 2025 study in the Annals of Emergency Medicine took a look at this question Methods Prospective, multi-institutional cohort study Included ED patients with suspected acute opioid overdose with biologic testing to confirm substances. This paper performed a secondary analysis evaluating the risk of "delayed intubation," defined as intubatio...
Mar 16, 2026•3 min
Contributor: Travis Barlock, MD Educational Pearls: D-dimer: fibrin degradation product used to evaluate for clot formation and breakdown Threshold: Elevated D-dimer indicates recent or ongoing intravascular coagulation and fibrinolysis YEARS score: algorithm to assess PE risk using three clinical criteria Criteria: signs of DVT, hemoptysis, and PE as the most likely diagnosis YEARS score of 0 with D-dimer YEARS score of ≥1 with D-dimer A study found that YEARS score accurately predicted the pre...
Mar 09, 2026•2 min
Contributor: Taylor Lynch MD Educational Pearls: Melatonin is an endogenous hormone released primarily by the pineal gland Also released by extrapineal regions in the retina, the GI tract, and some immune cells Peak secretion occurs at night and is suppressed during the day Secretion and production decrease with age Older patients experience the greatest improvement in sleep latency and sleep quality Mechanism of action in the suprachiasmatic nucleus of the hypothalamus MT1 receptor Reduces norm...
Mar 02, 2026•4 min
Contributor: Travis Barlock, MD Educational Pearls: Foul-smelling urine and cloudy urine are commonly misinterpreted as indicators of a UTI. However, these findings alone are not diagnostic. Criteria for UTI: Presence of localized urinary symptoms: Suprapubic pain Dysuria Hesitancy Urgency Urinalysis with WBC > 10 Urine culture with > 100,000 CFU/mL Colonization differs from infection - many patients harbor asymptomatic bacteria but do not have a true infection. Consequences of overtreatme...
Feb 24, 2026•6 min
Contributor: Aaron Lessen, MD Educational Pearls: What is anaphylaxis and what are its treatments? Anaphylaxis is a broad term for potentially life threatening allergic reactions that can progress to cardiovascular collapse (anaphylactic shock). It is triggered by IgE and antigen cross-linking on mast cells to induce degranulation and the release of histamines, which can cause diffuse vasodilation and respiratory involvement with end-organ hypoperfusion. First line treatment is the immediate adm...
Feb 16, 2026•3 min
Contributor: Alec Coston, MD Educational Pearls: Disclaimer: this has nothing to do with the ER but is too cool to not talk about. Condition: Carbamoyl phosphate synthetase 1 (CPS1) deficiency Rare inborn error of metabolism Inability to properly break down ammonia Leads to severe hyperammonemia and hepatic encephalopathy Natural history: Without treatment, typically fatal within the first few weeks of life Even with current standard treatments, life expectancy is often limited to ~5–6 years Bre...
Feb 09, 2026•7 min
Contributors: Travis Barlock MD, Ian Gillman PA, Jacob Altholz MD, Jeffrey Olson MS4 In this episode, EM attending Travis Barlock and medical student Jeffrey Olson listen in to the two remaining cases presented from EMM's recent event, Tox Talk 2025. Talk 1- Methemoglobinemia- Ian Gillman Cyanosis + chocolate-colored blood + normal PaO₂ + pulse ox stuck at ~85% = Methemoglobinemia → Treat with methylene blue The medications that can cause it can be remembered with… Watch out with methylene blue ...
Feb 04, 2026•41 min
Contributor: Alec Coston, MD Educational Pearls: BiPAP is often effective in severe asthma, but many patients struggle with mask tolerance due to intense air hunger–driven anxiety, often compounded by hypoxia. Benzodiazepines are commonly used for anxiety, but they can depress respiratory drive, making clinical improvement difficult to interpret (a lower RR may reflect sedation rather than true physiologic improvement). Low-dose fentanyl is a useful alternative when patients cannot tolerate BiPA...
Feb 02, 2026•5 min
Contributor: Aaron Lessen, MD Educational Pearls BRASH Syndrome: Bradycardia Renal Failure AV Nodal Blockade Shock Hyperkalemia Clinical Features: Profound bradycardia and shock in patients on AV nodal blockers: Commonly, Beta Blockers or Calcium Channel Blockers Etiology: Caused by an inciting kidney injury: Common triggers include precipitating illness, dehydration, or medications Results in hyperkalemia The enhanced effect of the combination of AV nodal blockade and hyperkalemia leads to a mo...
Jan 19, 2026•2 min
Contributor: Taylor Lynch, MD Educational Pearls: What is tramadol and how does it work? Tramadol is a Schedule IV opioid analgesic used for moderate pain and is often perceived as safer than other opioids due to lower abuse potential. It is a prodrug with weak direct μ-opioid receptor activity. The parent compound also inhibits serotonin and norepinephrine reuptake, giving it SSRI/SNRI-like properties. Tramadol is metabolized by CYP2D6 into O-desmethyltramadol (ODT), which has significantly str...
Jan 12, 2026•5 min
Contributor: Aaron Lessen, MD Educational Pearls: The Case 24F brought in for anxiety. Patient is tearful, not talking, and potentially hyperventilating. History from boyfriend is that she suddenly stopped talking and started crying and it was hard to understand what she was saying. On exam, patient appears anxious and has a gaze preference for the right side and is still having difficulty speaking. Decision is made to stroke alert patient. CT shows early MCA stroke and M2 occlusion. Patient is ...
Jan 05, 2026•4 min
Contributor: Aaron Lessen, MD Educational Pearls: A 2025 multistate outbreak of infant botulism has been linked to ByHeart infant formula As of December 10-17th, there have been at least 51 infants with suspected or confirmed botulism who were exposed to this formula across 19 states All reported cases resulted in hospitalization but no deaths reported to date Infant botulism Occurs when C. botulinum spores germinate in the infant's intestine, producing toxin Spores are classically found in hone...
Dec 29, 2025•3 min
Carepoint Journal Club is a quarterly series with discussions about a medical topic, brought to you by Carepoint's Emergency Physicians.
Dec 22, 2025•45 min
Contributor: Meghan Hurley, MD Educational Pearls: OTC Medications Dextromethorphan (DM) Most common OTC cough suppressant Minimal efficacy: Little evidence that it shortens the duration or severity of cough. Potential side effects: At recommended doses: Mild dizziness, drowsiness, GI symptoms Higher doses: Decreased consciousness, dissociative effects Guaifenesin Found in Mucinex and other severe cough/cold products Thins secretions and loosens mucus in airways No more effective than increasing...
Dec 15, 2025•7 min
Contributor: Taylor Lynch, MD Educational Pearls: What is orbital compartment syndrome, and how is it assessed in the emergency room? Orbital compartment syndrome (OCS) is an emergent ophthalmic condition in which intraorbital pressure in the orbital compartment rises dramatically, compromising perfusion of the optic nerve and retina, leading to risk of irreversible vision loss. OCS occurs in the context of traumatic lesions with retrobulbar hemorrhage. Intraocular pressures (IOP) are measured v...
Dec 08, 2025•5 min
Contributor: Aaron Lessen, MD Educational Pearls: How do amiodarone and lidocaine work on the heart? Amiodarone Blocks potassium channels (Class III effect). Also blocks sodium and calcium channels. Additional noncompetitive beta-blocker effects. Stabilizes cardiac tissue, slows heart rate, and suppresses both atrial and ventricular arrhythmias. Lidocaine Blocks fast sodium channels in ventricular tissue (Class Ib). Shortens the action potential in ventricular myocardium, especially in ischemic ...
Dec 08, 2025•2 min
Contributor: Megan Hurley, MD Educational Pearls: Assess first: confirm the hook isn't near vital structures. Automatic subspecialty consult for eye involvement or proximity to carotid artery, radial artery, peritoneum, testicle, or urethra Barbed hook: cannot be pulled back through the entry without disengaging the barb Removal Techniques String-Pull: best for superficial, single-barbed hooks Depress shank and eye of hook to disengage barb and then pull string taut and jerk suddenly along the l...
Nov 24, 2025•5 min
Contributor: Aaron Lessen MD Educational Pearls: Recent prospective randomized clinical trial assessed optimal head-of-bed positioning in patients with LVO 0º vs. 30º elevation Objective was to determine superiority of the two angles in stability prior to thrombectomy for LVO patients 45 patients randomized to the group with 0° head positioning and 47 patients randomized to the group with 30° head positioning Patients in the 30º group experienced worsening of NIHSS by 2 points or more Patients w...
Nov 18, 2025•2 min
