Critical Care Exam 1 - Cardiac Drugs

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what are two common s/e of beta blockers?

fatigue, weakness

what are two things that happen when taking beta blockers?

decreased pulse, bradycardia

what do beta I drugs effect?

lungs

what do beta II drugs not effect?

lungs

what do antihypertensive meds do?

dilate arteries and veins

list 2 things atropine does?

dilates pupils, increases HR

how do you tell if atropine is working?

use the pts responsiveness

2 things that dopamine does?

increases b/p and pulse

what should you give for a patient who has sinus tach and has a fever?

tylenol

what should you do when administering dopamine and the patient develops sinus tach?

stop the dopamine

what is lidocaine and amiodarone used for?

trt PVCs and vtac

what does pulseless vtac require immediately?

defib, epi, CPR

what is chronic vtac treated with?

antiarrhythmics

what is the immediate treatment for vfib?

defib immediately; use epi and antidrysrhymics then repeat defib

what is thought to be the most sensitive site for observation of central cyanosis?

tongue

what does heparin do?

prevent further clot formation

what does dobutamine do?

increases contractility

when is dopamine used?

when the pt is hypotensive

when can calcium channel blocks be used?

when beta blockers are contraindicated

how soon do you want to give fibrinolytic therapy to a pt arriving in the ER with an acute MI?

30 min

what should you assess for when giving a pt fibrinolytics?

reperfusion dysrhythmias, bleeding, onset of hypotension

what is used for pain in an acute MI?

morphine

what is an important thing morphine does for pts with acute MIs?

dilates bronchioles

what does nitroglycerin drip do?

decreases preload and afterload (decreases pain and b/p)

what are two thing lidocaine can treat?

vtac and PVCs

what do dobutamine, epi, and isoproterenol do?

increase cardiac contractility and cardiac output

what is nitroprusside?

a vasodilator

what are two drugs used to treat pericarditis?

NSAIDs or tylenol

side effects of lidocaine?

widening QRS, confusion

side effects of amiodarone?

pulmonary edema (ARDS), brady arrhythmias

side effects of nitro drip?

hypotension, h/a

side effects of beta blockers?

hypotension, bradycardia

what type of pts is Dig given to?

pts with HF

what does Dig do?

increases contractility of heart, decreases HR; requires the myocardium to use more O2

which medication is most effective in failure associated with low cardiac output caused by ischemic, rheumatic, hypertensive or congenital heart disease?

Dig

what is dopamine used to trt?

severe low outpute heart failure

What does dopamine in low doses do?

causes vasodilation in the renal, mesenteric, cerebral and coronary vascular beds, primarily resulting in increased renal blood flow, glomerular filtration rate, and sodium excretion

what does dopamine do in moderate doses?

causes increase in HR, stroke volume, and cardiac output

what does dopamine do at rates above 8 mics?

causes intense vasoconstriction

what can diuretics produce?

hypovolemia and hypotension

what does nitroprusside do?

dilates both veins and arteries

what type of drugs are used for cardiac tamponade?

beta-adrenergic blocking agent such as propranolol; ca channel blockers

what drugs are used to improve cardiac contractility in heart surgery?

treat with drugs such as epinephrine, dobutamine, milrine,dopamine

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