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Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Heart Block • In ... by a junctional pacemaker ... #ThirdDegree #3rd ... #cardiology #ekg ... ecg #diagnosis #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Block (ISt/2nd /3rd ... de Pointes if in ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... arrhythmia is noted in ... • The change in ... Sinus #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Treatment: Pacemaker ... 3rd Degree, Complete ... • Treatment: Pacemaker ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... by a junctional pacemaker ... an infra-Hisian pacemaker ... blocks #AVBlock #cardiology ... ecg #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... arrhythmia is noted in ... • The change in ... Sinus #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Pardee's sign" + PPD ... downsloping - Coving ... or in-complete ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram