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EKG's

EKG's, Intervals, Segments

QuestionAnswer
What is an ECG? What does is do? Electrocardiogram and it checks the hearts rhythm and electrical activity.
Where is the Atrial Depolarization? P Wave
Where is the Ventricular Depolarization? QRS Complex
What activity CANNOT be seen on an ECG? Atrial Repolarization, it is behind the QRS Complex
Time it takes to push signal from internodal pathways of atria into the atrioventricular node (100 ms delay) P-R Segment
Total time for ventricular depolarization and repolarization Q-T Interval
What are the 2 Intervals? What do they measure? PR Interval (P-Wave and PR Segment) and QT Interval (QRS Complex to end of T-Wave includes all ventricle depolarization and repolarization) Length of time that includes a wave
What are the 2 segments? What do they measure? PR Segment: time it takes to shove signal into get to AV node ST Segment: ventricles are at 100% depolarization
What is a normal Atrial and Ventricular Rate? 60-100 BPM
What is Bradycardia? Less than 60BPM
What is Tachycardia? Greater than 100BPM
What is the normal PR Interval? 0.12-0.20 seconds (3-5 small squares)
What is normal QRS Complex? Less than or equal to 0.12 seconds (3 small squares or less)
What is a normal QT Interval? 0.31-0.44 seconds (8-11 small squares)
What is STEMI? ST Segment Elevation Myocardial Infarction
What is an Ischemia? Pulmonary Embolism (depressions in ST segment)
What does the Isoelectric Line? ZERO
Created by: Tbbarricks
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