drugs for anti-hypertensive Flashcards
drugs used to treat htn in preg
hydralazine
labetalol
nifedipine
methyldopa
hydralazine dose
PO/IV 5-10mg slow IVP; may repeat q20 minutes
hydralazine rxn
Tachycardia, hypotension, headache, sodium retention;use cautiously w/renal problems
hydralazine nurs considerations
Pregnancy category C; used with breastfeeding
Assess B/P q 2-3 minutes x 30 minutes
Goal is to maintain diastolic B/P between 90 & 100 mmHg
Monitor FHR continuously
Assess I&O
Instruct patient in side effects, disease process, and treatment regimen
labetalol dose
PO/ IVBolus: 10-20 mg IVP over 2 minutes; may repeat q10 minutes w/max of 300 mg
IV infusion: 2mg/min until desired effect
PO: 100-400 mg BID
labetalol rxn
Hypotension, dizziness, nausea/vomiting, bradycardia,increased airway resistance
labetalol nurs considerations
Pregnancy category C; used with breastfeeding
Assess B/P (q 5 minutes x30 min. then q 30), pulse, FHR.
Patient teaching: same as hydralazine
nifedipine dose
PO: 10-30 mg tid; slow release once a day. Maximum of 90 mg/day
nifedipine rxn
Pregnancy category C; used with breastfeeding
Monitor EKG during prolonged therapy.
Monitor for S/S of CHF
Avoid administration with grapefruit.
nifedipine nurs considerations
headache dermatologic reactions/arrhythmias, CHF. Can potentiate the cardiac depressive effect of magnesium sulfate
methyldopa dose
PO/IV
PO: 250mg BID or TID
methyldopa rxn
postural hypotension, drowsiness, peripheral edema, headache
methyldopa nurs considerations
Pregnancy category B; used with breastfeeding
Not the drug of choice for acute hypertensive crisis.
Utilized during pregnancy for chronic hypertension.
Assist in ambulation for postural hypotension.
Assess FHR per protocol.