32 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• SA Block • AV ... Regular Rhythm SVT ... Irregular Rhythm SVT ... with Variable AV ... #Algorithm #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Algorithm Narrow ... flutterAV ... tachycardia • AV ... • Irregular SVT ... #Algorithm #Causes
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
AV block, Multifocal ... Ventricular tachycardia, SVT ... , Pre-excited SVT ... AV block & bundle ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
deflection not AVRT ... • SVT. 140-280 ... • Atrial Flutter ... • DDx: SVT + ... algorithm #irregular
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Flutter, AVRT ( ... WPW), AVnRT (ie SVT ... , SVT w/aberrancy ... Any irregular SVT ... #cardiology #wide
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... SVTs - atrial/junctional ... rhythms (5) AV ... block (lower AV ... #EKG #diagnosis
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
, AV Node, Bundle ... FlutterAtrial ... Tachycardia • AV ... Pathophysiology #SVT ... #diagnosis #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... , it indicates AV ... activation from SVT ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... • P-waves. ... > SVT+conduction ... abnormality • Beware AV ... #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... in aVR in narrow ... supraventricular tachycardia (SVT ... #AVR #leadAVR #ecg ... #cardiology