Sodium channel blocker toxicity

Weekly Workout February 26, 2024
2024 EM Boards ECG Review Part II

A 55-year-old man with a known left bundle branch block presents to ABEM general hospital with acute chest pain. Vital signs are normal and his pain is slightly improved with…

Weekly Workout November 20, 2023
Wide Complex Tachycardias: clues to VT mimics when the heart rate is too slow or the QRS complexes are too wide

An unknown aged female is being transported to the emergency department by EMS for altered mental status. She is agitated and slurring words. Vitals: 98/65, RR 24, HR 162.  The…

Weekly Workout July 24, 2023
Differential Diagnoses: must know causes of right axis deviation and wide QRS complexes

A 30-year-old man is pulled over by police for speeding. He begins feeling nauseous and has multiple episodes of vomiting. During transport to the emergency department by EMS he is…

Weekly Workout March 13, 2016
STAT ECG Diagnoses: must know ECG differentials in the evaluation of patients with altered mental status

A young woman presents to the ED unconscious with a GCS of 4. The following ECG was obtained during the initial evaluation:

Weekly Workout February 23, 2015
Differential Diagnoses: the biggest reason we miss a diagnosis is that we make a diagnosis, and then stop looking

HPI:  An unresponsive 45-year-old male is brought in to your ED by ambulance. His wife found him unconscious at home and called 911. History is otherwise limited. Case ECG  

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