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POTASSIUM-HYPERKALEMIA MANIFESTATIONS

Nephrology

POTASSIUM-HYPERKALEMIA MANIFESTATIONS

1. Symptoms manifest when the rise is acute. Problems usually occur when K + ~ 7 mEq/L

2. Presentation can include significant weakness or paralysis, conduction abnormalities or arrhythmias.

Sequence of ECG changes:
3. Peaked T wave and short QT interval

4. Progressive lengthening of PR and QRS intervals

5. Loss of P wave & QRS widening into sine wave

6. Ventricular fibrillation or cardiac standstill.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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