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Pharmacology HESI Review

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Pharmacology HESI Review Cardiac Drugs/Diuretics  Digoxin – o Positive inotrope (increases force of contraction); o Negative chronotrope (decreases heart rate).  How do you assess for thi... s? (Always take AP for a full minute!)  Client with long hx of daily digoxin and furosemide (Lasix) use; o Creates a high risk for dig toxicity  (Lasix can cause hypokalemia, which can lead to dig toxicity)  Digoxin toxicity – know normal digoxin level (0.5 – 2 ng/mL); o Serum potassium (K+) level (3.5 to 5.0 mEq/L);  Low potassium or magnesium levels may o  risk for digoxin toxicity;  S/S of dig toxicity include: o anorexia o bradycardia o headache, o dizziness o confusion o nausea o visual disturbances (blurred vision, yellow vision, and/or halo vision);  Hold digoxin if AP less than 60.  Labetalol (beta blocker) for HTN and Severe HTN emergencies: blocks alpha and beta receptors o Notify prescriber for low pulse rate and do not give med; o SE is weight gain (fluid retention) – pulmonary assessment (which is… pulm edema crackles). [Show More]

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