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Atrial Fibrillation Overview

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

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... exercise intolerance, chest ... Cardiac: • Valvular ... Noncardiac: • Pulmonary ... #Management #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Asthma, COPD) • Vascular ... • Pulmonary Arterial ... Defect ** • Atrial ... Abnormalities • Chest
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Diagnosis Algorithm ... Infarction • Stable ... Mediastinal Causes: - Vascular ... ChestPain #Noncardiac #Cardiology ... #Differential #Diagnosis
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... to chronic lung disease ... • Hypoxia • Pulmonary ... • Oxygen • Treatment ... #Diagnosis #ECG
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Artery Disease ... • Stable Angina ... Arrhythmia • Atrial ... Thickening/Masses Chest
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... with caution in pulmonary ... disease or CHF) ... disease or CHF) ... #management #cardiology
Pulmonary Arterial Catheterization – Use and Interpretation:
-Pulmonary arterial catheterization (PAC) has never been shown to improve
Pulmonary Arterial ... However, when the diagnosis ... disease), or those ... pressure) -right atrial ... #Differential #Table
Drugs Used for the Treatment of COVID-19 Infection

** Editor Note (from ophthalmology MD input) - Hydroxychloroquine/chloroquine
Even with macular ... disease, may consider ... Ever Arias, ... #Pharmacology #Table ... #Management
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... • ACQUIRED VALVULAR ... PHAEOCHROMOCYTOMA • PULMONARY ... #Differential #Diagnosis ... #Cardiology
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
to Differential Diagnosis ... Echocardiography, Arterial ... diseases - Pulmonary ... #Central #Cardiology ... #Causes #Table