6395 results
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... , AVNRT, AVRT, Atrial ... Irregular SVT: Atrial ... (Metoprolol), CCB ... #Differential #Diagnosis
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... risk factors Atrial ... right and left atria ... with β-blocker or CCB ... Fibrillation #AFib #diagnosis
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... Tachycardia • Atrial ... Tachycardia • Atrial ... Flutter • Atrial ... Pathophysiology #SVT #diagnosis
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... tachycardia • Atria ... : Premature Atrial ... Flutter (AFL), Atrial ... #Differential #Diagnosis
Atrial Fibrillation Overview

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

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... • β-Blocker • CCB ... Anticoagulation #Atrial
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Flutter Typical atrial ... causing clockwise atrial ... Atypical atrial ... from the left atrium ... #Diagnosis #ECG
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
wave - due to atrial ... - due to right atrial ... toward the right atrium ... to subsequent atrial ... filling in the atrium
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
- Differential Diagnosis ... Tachycardia, Atrial ... • Irregular: Atrial ... Tachycardia (MAT), Atrial ... #Differential #Diagnosis
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Orthodromic AVRT, Atrial ... Tachycardia, Atrial ... fibrillation, Atrial ... #Differential #Diagnosis
"The majority of cases of acute mesenteric ischemia are the result of acute arterial occlusion resulting
result of acute arterial ... (particularly atrial ... SuperiorMesentericArtery #clinical #Diagnosis