31 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
- Pathophysiology ... • Atrial Tachycardia ... #Pathophysiology ... #SVT #diagnosis ... #cardiology #conduction
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Tachy-arrhythmias (ventricular rate ... (PACs), Atrial ... #Differential #Diagnosis ... #Causes #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Multifocal #Atrial ... #Tachycardia #MAT ... #Cardiology #Diagnosis
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
- Differential Diagnosis ... Algorithm Narrow ... • Atrial tachycardia ... #Algorithm #Causes ... #cardiology
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Tachycardia, Atrial ... Tachycardia - Atrial ... Rate > 100 1. ... AFlutter #Comparison #Diagnosis ... #Cardiology #Electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia ... flutter, ectopic atrial ... tachycardia ... Treatment #management #cardiology ... #algorithm
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... EKG • Heart rate ... #Tachycardia #diagnosis ... #cardiology #EKG
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
- Differential Diagnosis ... fibrillation, sinus tachycardia ... dissociation, ventricular tachycardia ... #Differential #Diagnosis ... #PhysicalExam #cardiology
Causes of Diastolic Murmurs - Differential Diagnosis Algorithm
Early Diastolic:
 • Aortic Regurgitation
 • Pulmonary Regurgitation (Graham-Steell
- Differential Diagnosis ... Algorithm Early ... Flint Murmur) • Atrial ... Myxoma Prolapse Late ... Diastolic #Murmurs #Cardiology
Atrial Fibrillation Overview

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

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... Palpitations, light-headedness ... Rate Control • ... #Fibrillation #Cardiology ... #Management #Algorithm