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
Increases blood flow to the endocardial plexus by dilating the epicardials
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
Email: David.Arnall@NAU.EDU , DAArnall@AOL.COM
Home Page: http://jan.ucc.nau.edu/~daa/heartlung/
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