Nursing staff should monitor patients' serum potassium because decreased potassium puts patients at increased risk of digoxin poisoning.
Patients should be questioned about dyspnea, cough, general malaise, and other signs and symptoms of heart failure. Dyspnea, a major symptom of heart failure, usually progresses from exertional dyspnea to orthopnea, paroxysmal nocturnal dyspnea, and resting dyspnea.
Troponin T is a protein found in heart muscle. Measuring Troponin T with the highly sensitive Troponin T test helps health care providers diagnose heart attacks and determine heart disease risk. Elevated troponin T levels are associated with an increased risk of heart disease in asymptomatic people.
Treating arrhythmias also improves physical performance. Digoxin belongs to a class of drugs called cardiac glycosides. It works by affecting certain minerals (sodium and potassium) in heart cells. This reduces the load on the heart and maintains a normal, stable, and strong heartbeat.
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