3671 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Junctional escape rhythm ... Ventricular Escape Rhythm ... idioventricular rhythm ... : Premature Atrial ... Differential #Diagnosis #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Junctional Escape Rhythm ... • Premature atrial ... Monofocal Ectopic Atrial ... • Multifocal Atrial ... Diagnosis #Algorithm #causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... A regular rhythm ... Atrial flutter ... differential #diagnosis #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Tachycardia Regular Rhythm ... Treat underlying cause ... Irregular Rhythm ... : • Probable atrial ... Treat underlying cause
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... by atrial contracting ... dissociation + retrograde atrial ... e.g., junctional rhythm
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Heart Rate and Rhythm ... Rapid and regular rhythms ... and irregular rhythms ... Paroxysmal AF, atrial ... flutter, or atrial
Acute Atrial Fibrillation - Initial Options for Rate Control
Diltiazem IV
 •  Rapid onset and rapidly
Acute Atrial Fibrillation ... conversion to sinus rhythm ... IV bolus can cause ... • Does not cause ... EricsMedicalLectures/ #Atrial
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
(CVP) or right atrial ... to disorganized atrial ... “cannon waves” caused ... RA (junctional rhythm ... - ‘c’ wave (TV cusps
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
Junctional Rhythms ... - Junctional rhythm ... abnormal heart rhythm ... junction" between atria ... EKG #Junctional #Rhythms
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... TACHYCARDIA NON-ARRHYTHMIC ... #Palpitations #Causes