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Severe hypokalemia can be life threatening and it is important to recognize the ECG patterns that are suggestive. Consider the following ECG findings in Hypokalemia:
Severe hypokalemia can be life threatening and it is important to recognize the ECG patterns that are suggestive. Consider the following ECG findings in Hypokalemia:
U-waves (can be very large)
Prolonged QT-interval (T-wave/U-wave fusion)
Flattening of the T-waves, then ST-segment downsloping/depression
Biphasic T-waves that deflect down before going up “reverse Wellens’ waves” a.k.a. “NikEleKam T waves” are caused by severe hypokalemia that prolongs the QT interval because of large U-waves.
ST-segment elevation in aVR
PVC’s, ventricular dysrhythmias
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