11 ECG Practice Questions and Answers 2015 on Waveform

11 ECG Practice Questions and Answers 2015 on Waveform are designed based on the actual exam style in order to help you solidify your basic knowledge and techniques on ECG. Free ECG practice questions are arranged by topics and difficulties tightly focus on how an ECG technician works and which all-important skills they need to have. Going over all of them will help you can stand an ample chance to revise your specific knowledge and be more confident in facing with difficult questions. Take notice of submitting the questions in order to check out your points and identify your weaknesses. Wish your next exam a great triumph!
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3rd wave of QRS complex

• P wave
• S
• Q
• R

Start of Atrial depolarization to start of Ventricular depolarization. 0.12-.20 sec.

• U wave
• PR Interval
• P wave
• QT Interval

Ventricular repolarization

• P wave
• S
• U wave
• T wave

2nd wave of QRS complex

• R
• S
• U wave
• Q

1st wave of QRS complex

• R
• S
• Q
• T wave

Ventricular depolarization 0.06-0.1 sec

• J point
• QRS Complex
• P wave
• T wave

measuring length of QRS complex and ventricualr depolarization. Junction of the QRS interval and the ST Interval.

• P wave
• U wave
• J point
• T wave

Atrial depolarization

• U wave
• P wave
• J point
• T wave

Time between ventricular depolarization and Start of ventricular repolarization

• U wave
• ST Segment
• J point
• T wave

Start of ventricular depolarization to end of ventricular repolorization

• PR Interval
• T wave
• QT Interval
• ST Segment

represents the repolarization of the bundle of His and the Purkinje fibers

• U wave
• R
• P wave
• T wave