Cardiac Medications

10/27/99


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Table of Contents

Cardiac Medications

Calcium Channel Blockers

Isradipine (DynaCirc)

Uses

Mechanisms of Action

Slows or inhibits the SA and AV node discharge

Lowers blood pressure due to arterial smooth muscle relaxation

Side Effects

Some Concerns…..

Nitrates

Uses Of Nitroglycerin

Mechanisms of Action

Increases blood flow to the endocardial plexus by dilating the epicardials

Side Effects

Beta Blockers

Labetalol (Trandate) non-selective

Beta adrenergic receptors :

Beta Adrenergic Blockade Causes…….

Reduction of Cardiac Output

Inhibition of Renin Release by the Kidneys

Reduced MVO2

Inhibits atrial and ventricular ectopies

Medical Uses

Side Effects

Author: David Alan Arnall

Email: David.Arnall@NAU.EDU , DAArnall@AOL.COM

Home Page: http://jan.ucc.nau.edu/~daa/heartlung/

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