11 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
/AVNRT. ... • SVT. 140-280 ... • Atrial Flutter ... Diagnosis #Management #cardiology ... algorithm #irregular
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
AVNRT ... WPW) - Narrow ... interval) • AFib ... tachyarrhythmias #Cardiology ... #causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial flutter ... "PSVT" (atrioventricular ... retrograde) - AVNRT ... differential #diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs SVT (AVNRT, ... OAVRT, AFIutter) ... > SVT+conduction ... whether AF is cause ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... w/ BBB (3) SVT ... abberancy - N B Afib ... SVTs - atrial/junctional ... electrocardiogram #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Narrow Complex ... flutter • AV ... flutter with variable ... #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Converts - Probably AVnRT ... flutter, ectopic ... Treatment #management #cardiology ... #algorithm
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Flutter (AFL), ... re-entrant tachycardia (AVNRT ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
/VFibAFib ... /AFlutter ... • AVNRT/AVRT - ... Syndrome #Syncope #Cardiology ... #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... vagal maneuvers: SVT-AVNRT ... /Vfib/Afib/WPW) ... #Palpitations #Cardiology