OMI & STEMI Mimics


2024 ECG Competition Answers (Part 1/2)

Instructions from Dr. Mattu: In some of the following questions, I’ll ask you for a FULL ECG interpretation/diagnosis. Here’s what I am asking for: SAMPLE QUESTION: A 58 yo M…

Literature Review: Fever and ST segment elevation after syncope

A young woman presents to the ED after a syncopal episode. She hit her chest after falling and has reproducible chest wall tenderness on exam. She is also noted to…

Literature Review: ST segment elevation after syncope and cardiac arrest

A 22-year-old man with no known significant PMHx presents after syncope. He is asymptomatic on arrival with normal vital signs. History and physical exam is non-diagnostic. While an ECG is…

Do these biphasic T waves and ST segment abnormalities suggest acute coronary occlusion MI?

A 40-year-old man is brought to the emergency department for acute chest pain. The following ECG was obtained:

Post-cardiac arrest ECGs: evaluation of ischemia, dysrhythmias, and their mimics

A 55-year-old man presents to the emergency department with nonspecific chest pain. 20 minutes into his evaluation he is found to be diaphoretic and unresponsive in cardiac arrest with ventricular…

STAT ECG Diagnoses: STEMI mimics and how you can use the QRS axis to clinch the diagnosis in patients with altered mental status

A 46-year-old man presented with pleuritic left sided chest pain. He was found down for an unknown period of time, with suspicion for drug overdose. The following ECG was obtained:

Differential Diagnoses: how hypercalcemia mimics STEMI

A 62-year-old woman presents to the ED with altered mental status. She denies chest pain or dyspnea. The following ECG is obtained:

ECG Basics & Fundamentals: when a T wave inversion in lead aVL matters

A 45-year-old woman presents to the ED with severe heartburn. Her pain is associated with dyspnea and diaphoresis. The following ECG is obtained:

EMS ECGs: common mimics of acute coronary syndrome (ACS) and STEMI

A 73-year-old male is being transported by EMS to your ED for acute onset chest pain. He has a systolic blood pressure of 80. A prehospital ECG is obtained and…

STAT ECG Diagnoses: abnormal T waves that suggest badness and their mimics

A 20-year-old man presents to the ED with chest pain. He has no past medical history, normal vital signs, and a normal exam. The following ECG is obtained:

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