Blocked PAC’s

Weekly Workout May 27, 2024
How to avoid misdiagnosis of irregular rhythms

A 80-year-old woman is referred to the emergency department for suspected rapid atrial fibrillation. The following ECG is obtained on arrival: 

Weekly Workout December 19, 2022
ECG Basics and Fundamentals: causes of pauses or clumped/grouped beats on the ECG

A 72-year-old man with PMHx of HTN presents to the emergency department with vomiting and lightheadedness. He is noted to be slightly bradycardic with an irregular rhythm on arrival. The…

Weekly Workout June 10, 2019
Bradydysrhythmias: a differential for too many P waves and a lesson in how to break down difficult rhythms

An 81-year-old female presents to the ED with lightheadedness and “funny heart beats”. She has no associated dyspnea and is noted to have normal vital signs. The following ECG is…

Weekly Workout March 16, 2015
Differential Diagnoses: Non-conducted P-waves (P:QRS > 1)

HPI:  A 92-year-old woman presents to the emergency department with lightheadedness. Case ECG   Before watching this week’s video, ask yourself these questions: Focus on the rate and rhythm, what…

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