Hyperkalemia: A Comprehensive Clinical Overview (EKG, Signs, Causes, Treatment) As serum K⁺rises, ECG progression is key: · Early: Peaked T waves · Progressive: Prolonged PR, flattened P wave, widened QRS complex · Severe: Sine wave, V-fib, Asystole These changes reflect impaired cardiac depolarization and require immediate intervention to prevent arrest. #Hyperkalemia #Cardiology #ECG #MedicalEducation | Abdallah Othman

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