Help keep him well hydrated
Dissolve clots he may have
Prevent kidney failure
Treat potential cardiac arrhythmias.
Reflects electrical impulse beginning at the SA node
Indicated electrical impulse beginning at the AV node
Reflects atrial muscle depolarization
Identifies ventricular muscle depolarization
Has a duration of normally 0.11 seconds or less.
Call for the doctor
Start an intravenous line
Obtain a portable chest radiograph
Draw blood for laboratory studies
Blocks beta-adrenergic stimulation and thus causes decreased heart rate. myocardial contractility. and conduction.
Increases norepinephrine secretion and thus decreases blood pressure and heart rate.
Is a potent arterial and venous vasodilator that reduces peripheral vascular resistance and lowers blood pressure.
Is an angiotensin-converting enzyme inhibitor that reduces blood pressure by blocking the conversion of angiotensin I to angiotensin II.
Learn how to avoid stress
Explore a job change or early retirement
Make a commitment to long-term therapy
Control high blood pressure
Visit her friend earlier in the day.
Rest for at least an hour before climbing the stairs.
Take a nitroglycerin tablet before climbing the stairs.
Lie down once she reaches the friend’s apartment.
A change in the pattern of her pain
Pain during sex
Pain during an argument with her husband
Pain during or after an activity such as lawn mowing
Open and dilate the blocked coronary arteries
Assess the extent of arterial blockage
Bypass obstructed vessels
Assess the functional adequacy of the valves and heart muscle.