CARDIOVASCULAR EMERGENCIESAIIIIIIIIaVRaVLaVFV1V2V3V4V5V6FIGURE 2.7. Hyperkalemia.
A. ECG showing sine wave complexes in severe hyperkalemia ([K+]=9.2ng/dL]). B. ECG after
treatment. Note peaked T waves and flattened P waves.
FIGURE 2.8. Hypokalemia: ECG changes with hypokalemia. Note progressive flattening of T waves and development of
prominent U waves and ST-segment depression.
(Reproduced, with permission, from Morgan GE, Mikhail MS, Murray MJ, Clinical Anesthesiology,4th ed. New York: McGraw-Hill,
2006: 679.)
IIIIIIIIaVRaVLaVFV1V2V3V4V5V6B