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Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
Bradycardias Comparison ... Table - SINUS ... #Diagnosis # ... Cardiology #EKG ... Bradycardia #Common #Comparison
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
- Differential Diagnosis ... : • Regular: Sinus ... Arrhythmia, Sinus ... epinephrine 4) Page ... #Differential #Diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
and PR interval are ... presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
commonly seen are ... sinus bradycardia ... first-degree AV block ... digitalis toxicity are ... #Diagnosis #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
and PR interval are ... presence of AV block ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... • During sinus ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... #ecg #diagnosis
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... or more P waves are ... #Highgrade #AVBlock ... #Advanced #diagnosis ... #cardiology #ecg
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
All of the below are ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... Versus #ecg #ekg #cardiology ... #diagnosis #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Bundle branch block ... expected for the next sinus ... Differential Diagnosis ... tachycardia • Sinus ... #differential #cardiology
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
• In sinus rhythm ... and RR intervals are ... ThirdDegree #3rd #AVBlock ... #Complete #cardiology ... #ekg #ecg #diagnosis