9 results
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Antiarrhythmics ... Sodium Channel Blockers ... #ClassI #Na #cardiology ... #pharmacology #table ... #comparison
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... whether AF is cause ... Beware AV nodal blockers ... Differential #Diagnosis #Table ... #cardiology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Pharmacology Comparison ... Table Metoprolol ... Suppression of VT ... #Table #Receptors ... #cardiology
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... cardioversion • If known SVT ... diltiazem or B-blockers ... - Consider antiarrhythmics ... Treatment #management #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
with caution in pulmonary ... Treat underlying cause ... with caution in pulmonary ... Treat underlying cause ... #management #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
PALPITATIONS: Medications ... withdrawal of β-blockers ... Pheochromocytoma • Pulmonary ... & termination: SVT ... #Palpitations #Cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
hypertension and tachycardia ... vera, Licorice - Causes ... arrhythmias Class I Antiarrhythmic ... pharmacology #DDI #table ... #cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... ARBs, NSAIDs, β-blockers ... only if no clear cause ... Elimination (see Table ... Monitor for tachycardia
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Noncardiac: • Pulmonary ... Irregular wide-complex tachycardia ... electrical) • Antiarrhythmic ... propafenone with β-blocker ... Absolute warfarin indications