Absent P waves with wide QRS complex indicates serum potassium of
High-Yield Explanation
Hyperkalemia Couesy of Dr. Michael McCrea a. Tall hyperacute T wave (earliest ECG finding) b. Prolonged PR interval c. Flattened or absent P wave d. Wide QRS complex that eventually blends with the T wave to assume a "sine wave" appearance e. Hea blocks f. QT interval normal or shoened Ref: guyton and hall textbook of medical physiology 12 edition page number:184,185,186