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Magnesium depletion, diuretics, and arrhythmias.

J W Hollifield

    The American Journal of Medicine
    |March 20, 1987
    PubMed
    Summary

    Diuretic therapy can deplete potassium and magnesium, increasing risks for patients with hypertension or heart failure. Triamterene and hydrochlorothiazide combination offers effective electrolyte conservation.

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    Serum magnesium and potassium levels in hypertensive patients after a therapeutic switch from hydrochlorothiazide plus a potassium supplement to maxzide.

    The American journal of medicine·1987

    Area of Science:

    • Clinical Medicine
    • Pharmacology
    • Cardiology

    Background:

    • Diuretic therapy is commonly used for hypertension and heart failure.
    • Potassium and magnesium depletion are serious risks associated with diuretic use.
    • Tissue depletion may not always be reflected in serum levels.

    Purpose of the Study:

    • To highlight the risks of potassium and magnesium depletion during diuretic therapy.
    • To emphasize the importance of preventing electrolyte deficiencies.
    • To evaluate diuretic combinations for electrolyte conservation.

    Main Methods:

    • Review of clinical data on electrolyte depletion during diuretic therapy.
    • Assessment of factors influencing potassium and magnesium levels.
    • Evaluation of available diuretic combinations for efficacy and convenience.

    Main Results:

    • Serum electrolyte levels may not accurately reflect tissue depletion.
    • Potassium and magnesium depletion are linked to ventricular ectopy and sudden death risk.
    • The combination of triamterene and hydrochlorothiazide demonstrated electrolyte conservation.

    Conclusions:

    • Clinicians must consider potassium and magnesium repletion or prevention strategies.
    • Prevention of electrolyte depletion is crucial in at-risk patients.
    • Triamterene/hydrochlorothiazide offers a viable option for electrolyte conservation.

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