Isorhythmic AV dissociation

Results:
ECG STAT April 11, 2025
Second-Degree AV Block, High-Grade (Advanced AV Block)

Key Points Definition: A severe form of second-degree AV block—most often Mobitz II—characterized by multiple consecutive non-conducted P waves (e.g., 3:1 or 4:1 conduction). PR Intervals: Constant before conducted beats,…

ECG STAT April 1, 2025
Third-Degree AV Block (Complete Heart Block)

Key Points Definition: Third-degree AV block is complete failure of conduction from atria to ventricles, resulting in independent atrial and ventricular activity—known as AV dissociation. Hallmark Feature: No P waves…

Weekly Workout August 5, 2024
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:

Weekly Workout September 12, 2022
STAT ECG Diagnoses: isorhythmic AV dissociation and complete heart block

A 43-year-old man with a history of demand pacemaker placement gets the following routine ECG during outpatient follow up with his primary care provider:

ECG Tags
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