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ECG
Overall Electrical Events
Question | Answer |
---|---|
What is an ECG? | measured as the Electrical DIFFERENCE between 2 standard points |
Where are the 2 Standard Points the the ECG records from? | OPPOSITE side of the Heart |
What is meant by "P Wave"? | Atrial DEPOLARIZATION |
What is meant by "QRS Complex"? | Atrial REPOLARZATION and simultaneous VenTricular DEPOLARIZATION |
What is meant by "T Wave"? | Ventricular REPOLARIZATION |
When does Contraction occur? | FOLLOWING each Chamber's DEPOLARIZATION |
What is the consequence of Atrial Depolarization? | Atrial contraction |
What is the consequence of Ventricular Depolarization? | Vantricular contraction |
What does Ventricular Repolarization cause? | "T Wave" causes NOTHING |
What 2 points specifically are often used for ECG recordings? | R arm, L leg |