12 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
If see flutter p ... • Atrial Flutter ... see P, either Flutter ... If not Flutter P ... #wide #narrow #algorithm
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... tachycardia • Atrial flutter ... tachycardia • Atrial flutter ... #Causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Simplified) Irregular ... A regular rhythm ... Atrial flutter ... tachycardia #NarrowComplex ... differential #diagnosis #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Tachycardia • Aflutter ... • AFib • AFIutter ... Differential #Diagnosis #Algorithm ... #causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Possible atrial flutter ... Irregular Rhythm ... possible atrial flutter ... #Stable #NarrowComplex ... management #cardiology #algorithm
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... Tachycardia: • AFib > AFIutter ... whether AF is cause ... Tx: Underlying cause ... #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... (2) Atrial flutter ... node Narrow - Irregular ... absent P (2) A flutter ... 200ms from longer pause
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... VFib • AFib/AFlutter ... Differential #Diagnosis #Algorithm ... #causes
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
RA/CVP Waveform Interpretation ... atrial fibrillation/flutter ... “cannon waves” caused ... - ‘c’ wave (TV cusps ... CVP #Waveform #Interpretation
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
• Rapid and regular ... • Rapid and irregular ... Paroxysmal AF, atrial flutter ... Atrial fibrillation/flutter ... • Bradycardia caused