2684 results
Digoxin 101 - Pharmacology
Indications:

1) Tachyarrhythmias 
 • Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardias
 • ↑ Vagal
Tachycardias • ↑ Vagal ... #Pharmacology #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
variability • Tx: Vagal ... Irregular #causes #cardiology
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
• Imbalance of vagal ... Prinzmetal #Angina #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Rhythm: • Attempt vagal ... Treatment #management #cardiology
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
e.g. athletes, vagal ... Differential #Diagnosis #cardiology
Modified Valsalva Maneuver Instructions PocketCard

1) Position patient with legs flat and head of bed to 45°
2)
Instructions #SVT #Cardiology ... #AVNRT #vagal
Cushing's Reflex - Pathophysiology
HYPERTENSION with a reflex BRADYCARDIA
 → ↑ ICP 
 → ↓ CBF
 →
Baroreceptor stim → Vagal
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
massage or other vagal ... #Palpitations #Cardiology
Cranial Nerve X - Vagus Nerve - Cross Sectional Nuclei Anatomy
 • Vagus Nerve
 • Nucleus
• Dorsal Motor Vagal
Modified Valsalva Maneuver Insturctions

- 43% vs 17% response compared to the standard valsalva maneuver

Per ACLS and
stable AVNRT is vagal ... Procedure #SVT #vagal