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43 Cards in this Set
- Front
- Back
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What is the formula for blood pressure?
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BP = CO x SVR
or BP = HR x SV x SVR |
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How does aortic stenosis effect afterload?
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It increases afterload
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What is the best way to decrease BP?
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Increase vessel diameter
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What is the best way to increase BP?
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Decrease vessel diameter.
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How does the body control BP?
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Baroreceptors
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Where are baroreceptors located?
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Aortic arch and cadotids
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What enzyme is released from the kidneys that effects BP?
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Renin
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What enzyme is made in the liver that effects BP?
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Angiotensinogen
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How does angiotensin II effect the kidneys?
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It tells the kidneys to hold on to salt which increases fluid which increases stroke volume.
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What are the two main types of adrenergic receptors?
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Alpha and beta
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What happens to vessels when alpha receptors are stimulated?
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The vessels constrict
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What happens to vessels when the beta receptors are stimulated?
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The vessels dialate
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How do diuretics work?
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They reduce volume
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Name some sympathomimetic drugs?
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Dopamine, dobutamine, epinephrine, norepinephrine, and neosynephrine
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Name two vasodilator drugs given in the Cath lab
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Nitroglycerin and nipride
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How does nitro effect preload and afterload
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It decreases both.
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What is the agonist for Versed
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Romazicon(flumenzanil)
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What is the agonist for Fentanyl
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Narcan
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What is the drip concentration for lidocaine?
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2GM/ 500ccs
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What is a contraindication for lidocaine
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Heart block
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What is the concentration for dopamine?
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400mg/250cc
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When Is atropine used?
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Vagal reactions and sinus brady
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What is the dosages for amiodarone?
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150mg for arrythmias
300mgs for cardiac arrest |
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What is the therapeutic level for ACT?
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ACT 250-300
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What is a normal PTT and PT
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PTT=30-45 secs
PT= 10-12 |
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What is a normal INR?
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1-2
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What is an example of low molecular weight heparin?
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Lovenox=Enoxaparin
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Name some anti platelets?
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ASA, Plavix(clopidagrel), Effient(plasagrel),Brillanta(ticagrelor)
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Name some drugs used the in the CCL to increase heart rate?
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Atropine,isuprel,adenosine
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What can be a side effect of giving Adenosine?
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When used to cardiovert an abnormal rhythm, is can cause a few seconds of ventricle asystole
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What is the dose for adenosine for arrythmias?
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6mg rapid IV push, possible second 12mg dose 1-2 mins later
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What class of drugs are the following:esmolol,atenolol,metoprolol,propanolol
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Betablockers
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What class of drugs are the following: diltiazam,verapamil
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Calcium channel blockers
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What class of drugs are the following:enalapril,zestril,lisinopril!catopril
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ACE inhibitor
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What class of drug is the following:
candesartan (Atacand), eprosartan (Teveten), irbesartan (Avapro), telmisartan (Micardis), valsartan (Diovan), losartan (Cozaar), and olmesartan (Benicar |
ARB's=angiotensin II receptor blockers
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How does epinephrine effect afterload?
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It increases afterload
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Why is nitroglycerine given for an MI?"
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To decrease preload and afterload
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Do diuretics Effect preload or afterload.
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Preload
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What drug should not be given or given with caution to those with asthma?
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Inderol(propranolol) it is a nonselective beta blocker.
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What does morphine do to vascular resistance
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It decreases peripheral vascular resistance.
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How do you treat HOCM?
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Treat the symptoms with meds. Beta blockers and calcium channel blockers
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What conditions beta blockers prescribed for?
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Hypertenision, angina, a fib,arhythmias, CHF, MI's
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What is ergonovine used for?
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Causes coronary spasm to evaluate for Prinzemetals
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