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Details

Cardiovascular Drugs
Anti-arrhthmics, Antihypertensives, Diuretics, and Anti-hyperlipidemics
31
Medical
Professional
05/13/2010

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Cards

Term

Quinidine

Procainamide

Disopyramide

Definition
  • Class IA anti arrhthmics
  • Block Na channels (those that depolarize more frequently) and K channels
  • Increase AP duration
  • Uses: atrial fibrillation, atrial flutter, ventricular tachycardia
  • Side effects
    • All: torsades
    • Q: cinchonism
    • P: Drug-induced lupus
Term

Lidocaine

Tocainide

Mexiletine

Definition
  • Class IB Antiarrhythmics
  • Block both activated and inactivated Na channels
  • Decrease duration of AP
  • Uses: ventricular arrhythmias
  • Side effects: cardiac arrhythmias
Term

Flecainide

Encainide

Propafenone

Definition
  • Class IC anti-arrhythmics
  • Block Na channels
  • Increase the AP duration
  • Uses: severe refractory ventricular arrhythmias
  • Side effects: life-threatening arrhythmias
Term

Propranolol

Nadolol

Definition
  • Non-selective β blockers
  • Class II anti-arrhythmic
  • Decrease heart rate and contractility
  • Peripheral vasodilation
  • Side effects:
    • Bronchoconstriction
    • Fasting hypoglycemia
    • Withdrawal hypertension
Term

Labetalol

Cavidilol

Definition
  • Non-selective β blockers and α1 blockers
  • Class II anti-arrhythmics
Term

Metoprolol

Atenolol

Definition
  • Selective β1 blockers
Term

Sotalol

Ibutilide

Bretylium

Definition
  • Class III anti-arrhythmics
  • K channel blockers
  • Increase duration of AP --> Prolonged QT
  • Uses: both atrial and ventricular arrhythmias
  • Side effects: cardiac arrhythmias, including torsades
Term
Amiodarone
Definition
  • Anti-arrhythmic agent with Na, Ca, and K channel blocking properties
  • Uses: life-threatening atrial and ventricular tachycardias
  • Side effects:
    • Pulmonary fibrosis
    • Hepatox
    • Thyroid dysfxn
Term

Verapamil

Diltiazem

Definition
  • Class IV anti-arrhthmics
  • Ca channel blockers
    • Increase AP duration
    • Prolonged PR interval
  • Uses:
    • Supraventricular tachycardia
    • Rate reduction in patients with atrial fibrillation
    • Hypertension
    • Angina
Term
Adenosine
Definition
  • Increases K efflux --> hyperpolarization
  • Use: supraventricular tachycardia
Term
Magnesium
Definition
  • Probably effects ion conductance
  • Uses: torsades, digoxin toxicity
Term
Digoxin
Definition
  • Inhibits Na/K ATPase --> decreased activity of Na/Ca exchanger --> increased intracellular Ca --> increased contractility
  • Increases parasympathetic outflow to the SA and AV nodes --> decreased heart rates
  • Uses:
    • Improve contractility in patients with left-sided heart failure
    • Atrial arrhythmias
  • Side effects:
    • GI upset
    • Blurry, yellow vision
    • EKG changes
    • Arrhythmias
Term
Hydralazine
Definition
  • Causes direct relaxation of arteriolar smooth muscle
  • Uses
    • Hypertension
    • Heart failure
  • Side effects
    • Reflex tachycardia --> angina
    • Drug-induced lupus
    Give with beta-blocker to prevent reflex tachycardia and/or diuretic to prevent fluid retention
Term
Minoxidil
Definition
  • Directly dilates arteriolar smooth muscle by opening K channels --> hyperpolarization
  • Use: refractory hypertension
  • Side effect: Hair growth (Rogaine)
Term

Nifidipine

Nicardipine

Amlodipine

Definition
  • Ca channel blockers
  • Uses:
    • Hypertension
    • Prinzmental's angina
Term

Milrinone

Amrinone

Definition
  • Inhibit phosphodiesterase isozyme III --> increased cAMP --> increase Ca --> increased contractility
  • Use: acute heart failure
  • Side effects
    • Nausea and vomiting
    • Cardiac arrhythmias
    • Thrombocytopenia
Term

Captopril

Lisinopril

Definition
  • ACE inhibitiors
  • Uses:
    • Hypertension
    • Congestive heart failure
  • Side effect: cough
Term
Losartan
Definition
  • ARB
  • Uses:
    • Hypertensino
    • Heart failure
  • Contraindicated in pregnancy
Term
Mannitol
Definition
  • Osmotic diuretic
    • Acts at prox. tubule and descending loop of Henle
  • Uses
    • Decrease intracranial or intraocular pressure
    • Acute renal failure
  • Contraindicated in congestive heart failure because it may cause pulm. edema
Term

Acetazolamide

Dozolamide

Brinzolamide

Definition
  • Carbonic anhydrase inhibitors
    • Work at prox. convoluted tubule
  • Uses
    • Glaucoma
    • To alkalinize the urine
    • Treatment and prevention of high alititude sickness
  • Side effects
    • Hypercloremic metabolic acidosis
    • Hypokalemia
Term

Furosemide

Brumetanide

Torsemide

Ethacrynic acid

Definition
  • Loop diuretics
    • Inhibit the coupled Na/K/2Cl cotransporter
    • Work in the thick ascending loop of Henle
  • Uses
    • Heart failure
    • Hypertension
    • Hypercalcemia
  • Side effects
    • Hypokalemia
    • Ototox
    • Hyperuricemia --> gout
    • Allergic reaction in pts. with sulfa allergy
    • Ethacrynic acid ok for allergy, gout
Term
Hydrochlorothiazide
Definition
  • Inhibits Na/Cl co-transporter
    • Works in the early distal convoluted tubule
  • Uses
    • Hypertension
    • Heart failure
    • Nephrogenic diabetes insipidus
    • Recurrent kidney Ca stones
  • Side effects
    • Hypokalemia
    • Hyperglycemia
    • Hypercalcemia
Term

Triamterene

Amiloride

Definition
  • K-sparing diuretics
    • Block sodium channels
    • Distal cortical colleting tubule
  • Uses
    • Diuresis in patients with Addison's disease
    • Combination with other medications for HTN
  • Side effects
    • Hyperkalemia
Term
Spironolactone
Definition
  • Aldosterone antagonist
    • Cortical collecting tubule and late distal tubule
  • Uses
    • Hyperaldosteroneism
    • Hypetension
    • Hirsutism
  • Side effects
    • Hyperkalemia
    • Gynecomastia
Term
Methyldopa
Definition
  • Centrally acting α2 agonist --> decreases adrenergic outflow
  • Use: HTN
  • Does not decrease renal bloodflow--> good from co-existing HTN and renal disease
Term
Clonidine
Definition
  • Centrally acting α2 agonis --> decrease adrenergc outflow
  • Use: HTN
  • Side effects:
    • Rebound HTN on withdrawl
    • Sedation
  • Does not decrease renal blood flow --> good for co-existing HTN and renal disease
Term

Prazosin

Doxazosin

Definition
  • Selective α1 antagonist --> vasodilation --> decrease blood pressure
  • Uses
    • HTN
    • Benign prostatic hypertrophy
  • Side effects
    • First dose syncope
    • Epinephrine reversal
Term

Pravastatin

Simvastatin

Atorvastatin

Definition
  • HMG-CoA reductase inhibitors
    • Decrease cholesterol synthesis
    • Increase LDL receptors on hypatocytes
  • Use: hyperlipidemia
    • Decrease total cholesterol and LDLs
  • Side effects
    • Myopathy
    • Abnormal LFTs
    • Contraindicate in pregnancy
Term

Cholestyramine

Colestipol

Definition
  • Inhibit reabsorption of bile acids
    • Increased conversion of cholesterol to bile acids
  • Use: decreases LDL levels
  • Side effects:
    • GI upset
    • Impaired absorption of fat-soluble vitamins
    • Impaired absorption of warfarin, digoxin, tetracyclines, thiazide diuretics
Term
Gemfibrozil
Definition
  • Stimulates lipoprotein lipase
  • Use: decrease TG levels
  • Side effects
    • GI upset
    • Gallstones
    • Myositites
    • May displace warfarin from plasma proteins --> increased effect
Term
Niacin
Definition
  • Decreases lypolysis in adipose tissue
    • Increased HDL
    • Decreased LDL
  • Side effect: flushing
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