54 results
Flecainide Toxicity on ECG

70 year old patient with chronic atrial fibrillation on an antiarrhythmic presented with
70 year old ... patient with chronic atrial ... fibrillation on ... presented with nausea ... #Cardiology #Clinical
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... fibrillation with ... Fibrillation with ... #Arrhythmias #diagnosis ... #cardiology #ecg
Atrial Fibrillation - Diagnosis, Causes, Presentations
Causes (PIRATES):
 - Pulmonary embolism 
 - Ischemia (cardiac) 
 -
Atrial Fibrillation ... - Diagnosis, Causes ... #Fibrillation # ... AFib #Diagnosis ... PIRATES #Emergency #Cardiology
Newly diagnosed Atrial Fibrillation - Cardioversion and Anticoagulation Algorithm

Matthew Ho, MD PhD @MatthewHoMD

#Atrial #Fibrillation #Cardioversion #Anticoagulation
Newly diagnosed ... Atrial Fibrillation ... #Fibrillation # ... Anticoagulation #Algorithm #management ... #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 ... intolerance, chest pain, near-syncope ... Anticoagulation #Atrial ... #Fibrillation # ... Cardiology #Management
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... #Multifocal #Atrial ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... : - Atrial fibrillation ... and atrial flutter ... #Cardiology #Digitalis ... #ECG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Fibrillation (AF ... ), Ventricular Fibrillation ... #Differential #Diagnosis ... #Causes #cardiology
Newly Diagnosed Atrial Fibrillation - Management Algorithm

 • Rate Control
 • Rhythm Control
 • Anticoagulation

Matthew Ho,
Newly Diagnosed ... Atrial Fibrillation ... #Fibrillation # ... RVR #Management ... #Algorithm #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential Diagnosis ... fibrillation ... #Algorithm #Causes ... #cardiology