A review of the ECG characteristics of "fixed ratio blocks", i.e. second degree AV block with 2:1 or 3:1 conduction ratios.
Second degree heart block (2nd degree AV block) with a P:QRS ratio of 3:1 or higher, producing an extremely slow ventricular rate.
A review of the ECG features of Mobitz II 2nd degree AV block - Originally termed Hay block (1906) by Mobitz in 1924. ECG Library LITFL
A review of the basic ECG features, causes and pathophysiology of Mobitz I AV Block (Wenckebach Phenomenon) with some example ECGs.
Atrial tachycardia is a form of supraventricular tachycardia, originating within the atria but outside of the sinus node
Review of the atrial ectopics and premature atrial contractions (PACs) with ectopic pacemaking tissue within the atria. Review ECG features
A review of the ECG features of arrhythmogenic right ventricular cardiomyopathy (ARVC) AKA: arrhythmogenic right ventricular dysplasia (ARVD)
Anterior STEMI usually results from occlusion of the left anterior descending (LAD) artery and carries the poorest prognosis of all infarct territories
Accelerated junctional rhythm (AJR) occurs when the rate of an AV junctional pacemaker exceeds that of the sinus node. ECG Library LITFL
ECG Library Diagnosis review of the ECG features of Accelerated Idioventricular Rhythm (AIVR) Accelerated Ventricular Rhythm.
EKG differential diagnosis. Differentials based on specific ECG findings. Book: ECGs for the Emergency Physician 1 and 2; LITFL ECG Library
Assessment, interpretation of ECG Conduction Blocks including first-degree, second-degree, third-degree, fascicular blocks - ECG Library