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43 Cards in this Set
- Front
- Back
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How does digoxin work?
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I Na/K ATPase which I Na/Ca exchanger which inc Ca
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What is digoxin used for?
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CHF, a Fib
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What are some side effects of Digoxin?
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inc PR, dec QT, scooping St seg, T was inversion, blurry yellow vision, arrhythmias
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What causes blurry yellow vision?
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digoxin toxicity
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What is the antedote to digoxin?
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nl K, lidocaine, cardiac pacer, anti-Dig Fab fragments
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How do nitroglycerin work?
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inc NO, inc cGMP, inc SMC relaxation
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What are the ADR of nitroglycerin?
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tachy, HoTN, flushing, HA
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How can you reduce myocardial O2 comsumption?
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dec EDV, BP, HR, contractility, ejection time
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How do beta-blockers dec MVO2?
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dec BP, dec contractility, HR
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How do nitrates dec MVO2?
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dec EDV, Dec ejection time
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How does hydralazine work?
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inc cGMP, inc SMC relaxation
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What dec afterload?
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hydralazine
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What dec preload?
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nitrates
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What is the DOC for HTN in pregnancy?
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hydralazine
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What are the uses of hydralazine?
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severe HTN, CHF, HTN during pregnancy
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What are the ADR of hydralazine?
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compens tachy, fluid retention, lupus-like syndrome
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What are the three Ca Channel blockers?
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verapamil, diltiazem, nifedipine
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How do Ca Channel blockers work?
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blocks voltage gated Ca Channels, dec contractility
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Which Ca channel Blocker works best on vascular sm muscle?
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nifedipine
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Which Ca channel blocker is not used for arrhythmias?
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nifedipine
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Which is Ca channel blockers works best for arrhythmia?
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verapamil
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What really dec TG?
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fibrates
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What inc HDLs?
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niacin
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What does procainamide cause?
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SLE like syndrome
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What do Class IA do to AP, ERP, QT?
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inc them
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What do class IB antiarrhythmics due to AP?
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dec
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What are the class IB antiarrhythmics?
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lidocaine, mexiletine, tocanimde
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WHat do you use to treat acute vent tachy or dig induced?
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class IB antiarrhythmics
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What do you use for V tach that progress to VF and intractable SVT?
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Class IC
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What are the class IC durgs?
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flecainide, encainide, propafenone
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Which class I antiarrhythmics are contraindicated after MI?
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Class IC, flecainide, propafenone, encainide
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What are the class II antiarrhythmics?
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propranolol, esmolol, metoprolol, atenolol, timolol..B blockers
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What are the class III antiarrhythmics?
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sotalol, ibutilide, bretylium, amiodarone
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How do class III antiarrhythmics work?
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K channel blockers
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Which beta blocker can cause dyslipidenmia?
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metoprolol
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When do you use Class III antiarrhythmics?
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when all other fail
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What do you have to check in a pt taking amiodarone?
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LFT, PFT, TFT
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What are the ADR of sotalol?
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torsades, excessive Beta block
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What are the ADR of bertylium?
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HoTN
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What are the ADR of amiodarone?
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lung fibrosis, hepatotoxicity, hyper/hypothyroid
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What is the DOC for dx and abolishing AV nodal arrhythmias?
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adenosine
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When is K used as an antiarrhythmic?
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depress ectopic PM, dig toxicity
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When is Mg used as an antiarrhythmic?
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Torsades and dig
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