ECG OF THE MONTH ' U ' wave 218 SR MITTAL PICTORIAL CME Poland Syndrome with Dextrocardia and Partial Agenesis of Ribs in Left Hemithorax

Arun Malhotra,Ashok Seth, Ashwin B Mehta, CN Manjunath, DS Gambhir, GS Sainani, Harshad R Gandhi, Jagdish Hiremath, KK Talwar, Srinath, Reddy, KP Misra, ML Bhatia, Mohan Bhargava, Mukul Misra,Nakul Sinha, Peeyush Jain, Praveen Jain, Ramesh Arora, Ravi R Kasliwal,Satyavan Sharma

semanticscholar（2019）

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摘要

U-wave is the wave between T wave and P wave. It is usually seen with slow heart rate and is most apparent in leads V2 to V4. Its polarity is same as that of T wave. Its amplitude is normally less than one third of the amplitude of T wave. Genesis of this wave is uncertain. A positive, low amplitude U wave is most often physiological. Prominent U wave is common in bradycardia and hypokalemia. Negative U wave is usually ischemic in origin.

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