438 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Irregular Regular Rhythm ... : • AFib > AFIutter ... WPW vs PMVT vs AFib ... unless certain of AFib ... known QRS • AFib
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Junctional Escape Rhythm ... • Sinus Tachycardia ... Ectopic Atrial Tachycardia ... interval) • AFib ... Multifocal Atrial Tachycardia
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... (1) Sinus tachycardia ... Multifocal atrial tachycardia ... arrest - escape rhythms ... Wong @mchlwng #Tachycardia
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 ... brain flow (VT/Vfib ... /Afib/WPW) • Loss
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Fibrillation (A-Fib ... Irregular wide-complex tachycardia ... control with early Afib ... (< 5% pts with afibb ... #Fibrillation #AFib
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Junctional escape rhythm ... Ventricular Escape Rhythm ... idioventricular rhythm ... SA node: Sinus tachycardia ... Fibrillation (V-Fib
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex Tachycardia ... A regular rhythm ... Narrow Complex Tachycardia ... Sinus tachycardia
Intra-arrest Echo showing V-Fib at rhythm check!

Sam Ghali, M.D. @ https://twitter.com/EM_RESUS

#VFib #VentricularFibrillation #POCUS #Echocardiogram #Ultrasound #Clinical
Echo showing V-Fib ... at rhythm check ... twitter.com/EM_RESUS #VFib
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Pre-Excitation AFib ... pre-excitation + a-fib ... For rate and/or rhythm ... #Fibrillation #AFib
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... Ventricle • Sinus Tachycardia ... • Atrial Tachycardia ... Nodal Reentry Tachycardia ... • AV Reentry Tachycardia