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What is the optimal serum potassium level in cardiovascular patients?

^* Department of Clinical Pharmacology, Ninewells Hospital, Dundee, United Kingdom

View larger version (22K): [in a new window]   Figure 1 Probability of ventricular tachycardia in relation to serum potassium concentrations (40).

View larger version (31K): [in a new window]   Figure 2 Risk of primary cardiac arrest associated with thiazide therapy with and without potassium-sparing diuretic therapy, as compared with beta-adrenergic-antagonist therapy, among patients treated with single anti-hypertensive drugs (53). Odds ratios are adjusted for age, gender, pretreatment systolic blood pressure and heart rate, duration of hypertension, current smoking, and diabetes mellitus. CI = confidence interval.