ECG STAT Diagnoses

T Wave Clues: Uncovering Concealed Conduction Blocks and Arrhythmias

A 58-year-old man presents to the emergency department after an episode of syncope.  The following ECG is obtained on arrival and interpreted as “sinus bradycardia”:

Hyperacute T Waves: Distinguishing Early MI from Other Big T Wave Abnormalities

A 64-year-old man with PMHx of HTN, DM, and tobacco use presents with central chest pain that radiates to his left arm. The following ECG is obtained on arrival:

Paralysis Unmasked: ECG Clues That Saved the Day

A 45-year-old woman with PMHx of HTN, DM, ESRD (MWF hemodialysis) presents with acute weakness of all extremities. She reports feeling normal and fully functional before going to bed the…

A Decade of ECG Gems: The Final 5 Favorite Cases

A 50-year-old woman presents with palpitations. She reports symptoms of an upper respiratory infection and has a low grade fever. The following ECG is obtained:

2024 UMMC Cases (Part III)

A 67-year-old man arrives at the emergency department with palpitations. He is noted to be tachycardic at triage and the following ECG is obtained and interpreted as “sinus tachycardia”:

2024 UMMC Cases (Part II)

A 55-year-old woman arrives at the emergency department with shortness of breath and is noted to be tachypneic. The following ECG is obtained:

2024 UMMC Cases (Part I)

A 69-year-old man arrives at the emergency department with shortness of breath and profuse sweating. The ECG obtained below shows sinus tachycardia at a rate of ~ 130 bpm with…

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…

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…

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…