Med For Hypertensive Crisis-ATI Pharm Flashcards
Meds
Prototype=nitroprusside(centrally-acting vasodilator)
- nitroglycerin(vasodilator)
- nicardipine(CCB)
- clevidipine(CCB)
- Enalaprilat(ACE inhibitor)
- Esmolol(BB)
Expected Pharm action
Direct vasodilation of arteries and veins resulting in rapid reduction of BP(decreased pre and after load)
Therapeutic uses
Hypertensive crisis
Complications
1-excessive hypotension=administer med slowly,keep pt supine
2-cyanide poisoning/thiocyanate toxicity
3-bradycardia/tachycardia/ECG changes
Cyanide poisoning/thiocyanate toxicity
- Nitroprusside only
- Headache/drowsiness;can lead to cardiac arrest
- Pts w/ liver dysfunction are at increased risk
- Risk is reduced by administering med for no longer than 3 days, at a rate of 5mcg/kg/min or less. Avoid prolonged use
- manifestations include weakness,disorientation,and delirium.
- administer thiosulfate to counteract/reverse effects
- monitor plasma levels if used for more than 3 days;level should be maintained at less than 10mg/dL
Contraindications/precautions
Pregnancy risk cat C
- contraindicated in pts who have heart failure w/ reduced peripheral vascular resistance, and AV shunt
- use cautiously in pts who have liver/kidney disease,hypothyroidism,hypovolemia,or fluid and electrolyte imbalances, and in older adults
Interactions
Do not administer nitroprusside in the same infusion as any other medication
Nursing Admin
1-prepare med by adding to dilute the for IV infusion
2-note color of solution, should be light brown, discard if it isn’t
3-protect IV container and tubing from light
4-discard med after 24 hr
5-monitor vital signs and ECG continuously
Nursing Evaluation of med effectiveness
1-decrease in BP/maintenance of normotensive BP
2-improvement of heart failure such as ability to perform activities of daily living, improved breath sounds, and absence of edema