19 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... complex (PAC) - ... in II, Ill and aVF ... #complexes #cardiology ... #diagnosis #ekg
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Flutter, AVRT ( ... WPW), AVnRT (ie ... Tachycardia, Antidromic AVRT ... #Diagnosis #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... tachycardia • Narrow complex ... , AVRT, atrial tachycardia ... cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... tachycardia (AVRT ... tachycardia (AVNRT ... Contractions (PVC ... Diagnosis #Causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... retrograde) - AVNRT ... , AVRT, Junctional ... #Tachycardias #differential ... diagnosis #causes #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
) - Pathophysiology ... - Once the PAC ... ECG usually shows ... #Pathophysiology ... #cardiology #SVT
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... ComplexPAC ... #PACs #cardiology ... #diagnosis #ekg ... #complexes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... #Differential #
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... semi-recumbent position 3) Ask ... Diagnosis #Management #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... Converts - Probably AVnRT ... or AVRT - Observe ... Control rate (e.g ... Treatment #management #cardiology