When One Lead Stands Alone: Deciphering Bizarre ECG Abnormalities

A 67-year-old woman with PMHx of HTN, DM, and ESRD presents to the emergency department drowsy and non-cooperative. Her blood sugar is elevated, pH 7.23, and there is concern for…

How the Lewis Lead Can Improve Tachyarrhythmia Diagnosis

A 68-year-old woman presents to the emergency department with palpitations and tachycardia. The following ECG is obtained:

The Approach to Uncovering Hidden STEMI

A 92-year-old man presents to the emergency department with acute chest pain and diaphoresis. The following ECG is obtained:

Is This a STEMI or STEMI Equivalent Pattern?

A 51-year-old man presents to the emergency department with acute chest pain that has progressively worsened over the past 3 hours. Pain radiates to the jaw and is associated with…

Case Potpourri: Avoiding AFib Misdiagnosis, Recognizing Mobitz, and Managing Polymorphic V-Tach

A 50-year-old man is brought to the emergency department after successful resuscitation from a witnessed cardiac arrest. EMS was initially called to the scene for chest pain. While on scene,…

A Key Question That Clinches the Diagnosis

A 54-year-old man presents to the emergency department with nausea, vomiting, and lightheadedness. The following ECG is obtained:

Biphasic T Waves in Suspected Acute Coronary Syndrome

A 69-year-old man with PMHx of hypertension and polysubstance abuse presents to the emergency department for evaluation of exertional chest pain that resolves with rest. He is currently asymptomatic. The…

Cardiovascular Effects of Cannabis Use

A 32-year-old woman presents to the emergency department with gradually worsening chest pain throughout the day. She has no significant medical history and no known cardiac risk factors. She reports…

AI Advances in ECG Interpretation: Why Human Expertise Still Matters

What’s Behind These Strange T Waves?

A 52-year-old woman presents to the emergency department with severe malaise and the following ECG is obtained:

Timeless ECG Lessons: Revisiting Classic Cases and Life Saving Interpretations

A 37-year-old man with no significant past medical history presents to the emergency department with acute chest pain and shortness of breath after a meal. He suspects he is having…

When ST Elevation Isn’t What It Seems

A 30-year-old man with a history of coronary artery disease and heart failure with reduced ejection fraction (HFrEF) presents to the emergency department with acute chest pain and shortness of…

2024 EMS Cases Part IV

A 60-year-old man is being transported by EMS to the emergency department for acute chest pain. The following ECG is transmitted prior to arrival as a “CODE STEMI” and brought…

Navigating a Very Abnormal QRS Axis with a Stepwise Approach

A 44-year-old woman presents to the emergency department with vague complaints about shortness of breath. The following ECG is obtained at triage and brought to you for interpretation:

Avoiding Misdiagnosis Through Proper Lead Placement

A 40-year-old man with no known medical problems presents with concerns about his cardiac health after a friend recently had an MI. He has no symptoms of acute coronary syndrome…

Cardiac Arrest During Summer Heatwave and an Unexpected ECG Pattern

A 40-year-old man is found unconscious inside a car during a hot summer day. He is extricated by EMS and found to be in asystolic cardiac arrest. ROSC is achieved…

Distinction Between AV Dissociation and Complete Heart Block

A 54-year-old man presents to the emergency department with chest pain. The following ECG is obtained:

Key Points to Note About Complete Heart Block

A 70-year-old woman presents to the emergency department with lightheadedness and dizziness that is worse with standing. The following ECG is obtained:

Key Points to Note About Mobitz I & Mobitz II

A 49-year-old man presents to the emergency department after an episode of syncope. The following ECG is obtained:

Recent UMMC Cases

A 67 -year-old man presents to a busy emergency department with acute chest pain and shortness of breath. The following ECG is obtained, but he leaves without being seen because…