Hypokalæmic ST Segment Depression
Report:
Sinus rhythm
ST/T changes c/w ischæmia/metabolic disorder
Comment:
The only âmetabolic disorderâ that could be identified was potassium level of 2.9 mEq/L. Hypokalæmia commonly causes ST segment depression, T wave inversion or loss of amplitude, and prominent U waves82; it does not, as often stated, prolong the QT interval. In this example the U waves are not clearly delineated from the baseline.
The ST segment depression, horizontal in many leads, is indistinguishable per se from ischæmia. In the clinical context of this young ladyâs presentation, there was no question of the latter.
114. 20 year old with foreign body in his eye, thought (mistakenly) to require surgery and general anaesthesia. It never came to that, but a 12-lead ECG was secured.
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