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a_nclex > Heart Failure Drugs > Flashcards

Heart Failure Drugs Flashcards

1
Q

Digoxin (Lanoxin)

Chemical Classification

A

Digoxin preparation

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2
Q

Digoxin (Lanoxin)

Mechanism of Action

A

Inhibits the sodium-potassium ATPase pump, which makes more calcium available for contractile proteins, thereby resulting in increased cardiac output (positive inotropic effect); increases force of contractions; decreases heart rate (negative chronotropic effect); decreases AV conduction speed

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3
Q

Digoxin (Lanoxin)

Uses

A

Heart failure, atrial fibrillation, atrial flutter, atrial tachycardia, cardiogenic shock, paroxysmal atrial tachycardia, rapid digitalization in these disorders

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4
Q

Digoxin (Lanoxin)

Contraindications

A

Hypersensitivity to digoxin, ventricular fibrillation, ventricular tachycardia, carotid sinus syndrome, 2nd- or 3rd-degree heart block

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5
Q

Digoxin (Lanoxin)

Side Effects

A

CNS: Headache, drowsiness, apathy, confusion, disorientation, fatigue, depression, hallucinations
CV: DYSRHYTHMIAS, Hypotension, bradycardia, AV BLOCK
EENT: blurred vision, yellow-green halos, photophobia, diplopia
GI: nausea, vomiting, anorexia, abdominal pain, diarrhea

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6
Q

Digoxin (Lanoxin)

Nursing Considerations

A

ASSESS:

  • Apical pulse for 1 min before giving product; if pulse <60 in adult, call prescriber; note rate, rhythm, character; monitor ECG continuously during parenteral loading dose
  • Electrolytes: K , Na, Cl, Mg, Ca; renal function studies: BUN, creatinine; blood studies: ALT, AST, bilirubin, Hct, Hgb before initiating treatment and periodically therafter
  • I&O ratio, daily weights; monitor turgor, lung sounds, edema
  • Monitor product levels: therapeutic level 0.5-2ng/ml
  • Cardiac status: apical pulse, character, rate, rhythm
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7
Q

Digoxin (Lanoxin)

Overdose Treatment

A

Discontinue product; give potassium; monitor ECG; give adrenergic-blocking agent, digoxin immune FAB

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8
Q

Dobutamine

Functional Classification

A

Adrenergic direct-acting Beta1-agonist, cardiac stimulant

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9
Q

Dobutamine

Chemical Classification

A

Catecholamine

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10
Q

Dobutamine

Mechanism of Action

A

Causes increased contractility, increased cardiac output without marked increased in heart rate by acting on Beta1-receptors in heart; minor alpha and beta2 effects

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11
Q

Dobutamine

Uses

A

Cardiac decompensation due to organic heart disease or cardiac surgery

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12
Q

Dobutamine

Contraindications

A

Hypersensitivity, idiopathic hypertrophic subaortic stenosis

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13
Q

Dobutamine

Side Effects

A

CNS: Anxiety, headache, dizziness, fatigue
CV: palpitations, tachycardia, hyper/hypotension, PVCs, angina
ENDO: hypokalemia
GI: heartburn, nausea, vomiting
MS: muscle cramps (leg)
RESP: dyspnea

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14
Q

Dobutamine

Nursing Considerations

A

ASSESS:

  • HYPOVOLEMIA; if present, correct first; administer cardiac glycoside before DOBUTamine
  • OXYGENATION/PERFUSION DEFICIT: check BP, chest pain, dizziness, loss of consciousness
  • HEART FAILURE: S3 gallop, dyspnea, neck venous distention, bibasilar crackles in patients with CHF, cardiomyopathy, palpate peripheral pulses; report if extremities become cold or mottled or if peripheral pulses decrease
  • ECG during administration continuously; if BP increases, product is decreased; CVP or PCWP, cardiac output during inf; report changes
  • Serum electrolytes, urine output
  • SULFITE SENSITIVITY, which may be life threatening
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15
Q

Dobutamine

Overdose Treatment

A

Administer a Beta1-adrenergic blocker; reduce IV or discontinue, ensure oxygenation/ventilation; for severe tachydysrhythmias (ventricular), give lidocaine or propranolol

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16
Q

Lisinopril

Functional Classification

A

Antihypertensive, Angiotensin-Converting Enzyme 1 (ACE) inhibitor

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17
Q

Lisinopril

Chemical Classification

A

Enalaprilat lysine analog

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18
Q

Lisinopril

Mechanism of Action

A

Selectively suppresses renin-angiotensin-aldosterone system; inhibits ACE, thereby preventing conversion of angiotensin I to angiotensin II

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19
Q

Lisinopril

Uses

A

Mild to moderate hypertension, adjunctive therapy of systolic CHF, acute MI

20
Q

Lisinopril

Contraindications

A

Hyper-sensitivity, angioedema

21
Q

Lisinopril

Side Effects

A

CNS: Vertigo, depression, stroke, insomnia, paresthesias, headache, Fatigue, asthenia, dizziness
CV: chest pain, hypotension, sinus tachycardia
EENT: blurred vision, nasal congestion
GI: nausea, vomiting, anorexia, constipation, flatulence, GI irritation, diarrhea, HEPATIC FAILURE, HEPATIC NECROSIS
GU: PROTEINURIA, RENAL INSUFFICIENCY, sexual dysfunction, impotence
INTEG: rash, pruritus
MISC: muscle cramps, hyperkalemia
RESP: dry cough, dyspnea
SYST: ANGIOEDEMA, ANAPHYLAXIS, TOXIC EPIDERMAL NECROLYSIS

22
Q

Lisinopril

Nursing Considerations

A

ASSESS:

  • Blood studies, platelets; WBC with differential at baseline, periodically q3mo; if neutrophils <1000/mm3, discontinue treatment (recommended with collagen-vascular disease)
  • Baselines of renal, hepatic studies before therapy begins, periodically; LFTs, uric acid, glucose may be increased
  • ANGIOEDEMA: ANAPHYLAXIS, TOXIC EPIDERMAL NECROLYSIS, facia swelling, dyspnea, tongue swelling (rare)
  • Pregnancy before starting treatment; pregnancy (D)
  • HYPERTENSION: BP, pulse q4hr during beginning treatment and periodically thereafter; note rate, rhythm, quality; apical/pedal pulse before administration; notify prescriber of any significant changes
  • Electrolytes: K, Na, Cl
  • CHF: edema in feet, legs daily; weight daily; dyspnea, wet crackles
  • Skin turgor, dryness, of mucous membranes for hydration status
23
Q

Lisinopril

Overdose Treatment

A

Lavage, IV atropine for bradycardia, IV theophylline for bronchospasm, digoxin, O2, diuretic for cardiac failure

24
Q

Milrinone

Functional Classification

A

Inotropic/vasodilator agent with phosphodiesterase activity

25
Milrinone | Chemical Classification
Bipyridine derivative
26
Milrinone | Mechanism of Action
Positive inotropic agent; increases contractility of cardiac muscle with vasodilator properties; reduces preload and afterload by direct relaxation on vascular smooth muscle
27
Milrinone | Uses
Short-term management of advanced heart failure that has not responded to other medication
28
Milrinone | Contraindications
Hypersensitivity to this product, severe aortic disease, severe pulmonic valvular disease, acute MI
29
Milrinone | Side Effects
CV: DYSRHYTHMIAS, hypotension, chest pain, PVCs GI: nausea, vomiting, anorexia, abdominal pain, HEPATOTOXICITY, JAUNDICE HEMA: THROMBOCYTOPENIA MISC: headache, hypokalemia, tremor, inj site reactions
30
Milrinone | Nursing Considerations
ASSESS: - ECG continuously during IV; ventricular dysrhythmia can occur - BP, pulse q5min during inf; if BP drops 30mmHg, stop inf, call prescriber - Electrolytes: potassium, sodium, chloride, calcium; renal studies: BUN, creatinine; blood studies: platelet count - ALT, AST, bilirubin daily - I&O ratio, weight daily; diuresis should increase with continuing therapy - If platelets are <150,000/mm3, product is usually discontinued and another product started - Extravasation; change site q48hr
31
Milrinone | Overdose Treatment
Discontinue product, support circulation
32
Nesiritide | Functional Classification
Vasodilator
33
Nesiritide | Chemical Classification
Human B-type natriuretic peptide
34
Nesiritide | Mechanism of Action
Uses DNA technology; human B-type natriuretic peptide binds to the receptor in vascular smooth muscle and endothelial cells, thereby leading to smooth muscle relaxation
35
Nesiritide | Uses
Acutely decompensated CHF
36
Nesiritide | Contraindications
Hypersensitivity to this product or Escherichia coli protein; cardiogenic shock or BP <90mmHg as primary therapy
37
Nesiritide | Side Effects
CNS: headache, insomnia, dizziness, anxiety, confusion, paresthesia, tremor CV: Hypotension, TACHYCARDIA, dysrhythmias, bradycardia, VENTRICULAR TACHYCARDIA, VENTRICULAR EXTRASYSTOLES, ATRIAL FIBRILLATION GI: vomiting, nausea INTEG: rash, sweating, pruritus, inj site reaction MISC: abdominal pain, back pain RESP: increased cough, hemoptysis, APNEA
38
Nesiritide | Nursing Considerations
ASSESS: -PCWP, RAP, cardiac index, MPAP, BP, pulse during treatment until stable -Daily serum creatinine, BUN CHF: weight gain, dyspnea, crackles, I&O ratios, peripheral edema
39
Valsartan | Functional Classification
Antihypertensive
40
Valsartan | Chemical Classification
Angiotensin II receptor antagonist (Type AT1)
41
Valsartan | Mechanism of Action
Blocks the vasoconstrictor and aldosterone-secreting effects of angiotensin II; selectively blocks the binding of angiotensin II to the AT1 receptor found in tissues
42
Valsartan | Uses
Hypertension, alone or in combination in patients >6yr, CHF, post MI with left ventricular dysfunction/failure in stable patients
43
Valsartan | Contraindications
Hypersensitivity, severe hepatic disease, bilateral renal artery stenosis
44
Valsartan | Side Effects
CNS: Dizziness, Insomnia, drowsiness, vertigo, headache, fatigue CV: angina pectoris, 2nd-degree AV block, CEREBROVASCULAR ACCIDENT, hypotension, MI, Dysrhythmias EENT: conjunctivitis GI: Diarrhea, abdominal pain, nausea, HEPATOTOXICITY GU: impotence, NEPHROTOXICITY HEMA: Anemia, neutropenia META: hyperkalemia MISC: vasculitis MS: cramps, myalgia, pain, stiffness RESP: Cough
45
Valsartan | Nursing Considerations
ASSESS: - BP, pulse, q4hr lying, siting, standing; note rate, rhythm, quality periodically - Blood studies; BUN, creatinine, LFTs, total/direct bilirubin before treatment - Angioedema: facial swelling; SOB; edema in feet, legs daily - Skin turgor, dryness of mucous membranes for hydration status; correct volume depletion before initiating therapy
46
Digoxin (Lanoxin) | Functional Classification
Cardiac glycoside, inotropic, antidysrhythmic

a_nclex (40 decks)

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