BSC2086L E.6 Heart Physiology, Pulse, Blood Pressure, and ECG

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Developed for the Broward College course BSC2086/L Anatomy and Physiology II.

Biology

Anatomy

David0628

BSC2086

BSC2086L

12th

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5 Terms

1
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P wave
• A deflection wave of the ECG.

• Represents atrial depolarization before atrial contraction.
• A deflection wave of the ECG. • Represents atrial depolarization before atrial contraction.
2
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QRS complex
• A deflection wave of the ECG.

• Represents ventricular depolarization before ventricular contraction.

• Obscures atrial repolarization.
• A deflection wave of the ECG. • Represents ventricular depolarization before ventricular contraction. • Obscures atrial repolarization.
3
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T wave
• A deflection wave of the ECG.

• Represents ventricular repolarization.
• A deflection wave of the ECG. • Represents ventricular repolarization.
4
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PQ segment
• A segment of the ECG.

• Represents atrial contraction after atrial depolarization.
• A segment of the ECG. • Represents atrial contraction after atrial depolarization.
5
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ST segment
• A segment of the ECG.

• Represents ventricular contraction after ventricular depolarization.
• A segment of the ECG. • Represents ventricular contraction after ventricular depolarization.