AV Nodal Blocking Agents

Drugs that block the AV node are used for rate control in narrow complex supraventricular tachyarrhythmias. Adenosine Beta-Blockers Calcium channel blockers (non-dihydropyridine) Digoxin ***”These AV nodal blocking agents must be avoided in conditions like WPW...

Digoxin

How Digitoxin increases the force of myocardial contraction (positive inotropic effect) “The sodium-potassium (Na/K) ATPase pump exists in three isoforms in humans. The primary effect of digoxin is to inhibit membrane-bound α subunits of the Na/K ATPase pump...

Exercise: Physical Activity

“For important health benefits, the 2008 Physical Activity Guidelines for Americans recommend both aerobic activity and muscle-strengthening activity every week for adults (SOR C). The recommended minimums for weekly aerobic activity include 150 minutes of...

Vitamin E

Vitamin E has been shown to be good for Alzheimer disease. However, the following study showed that it increased all-cause mortality. “A meta-analysis has found an increase in all-cause mortality associated with the use of vitamin E at a dosage of >400...

Drugs for Orthostatic Hypotension

Midodrine 10 mg TID. Start 2.5 mg TID and increase by 2.5mg weekly until you reach 10 mg TID. S/e: Supine HTN, paresthesia, pruritus, pilorection. Contraindications: AKI, urinary retention, thyrotoxicosis, pheochromocytoma, severe heart disease. MOA: Stimulates...