BASIC EKG FLIPPED
Presentation
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Other
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University
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Practice Problem
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Medium
Dra. Jaramillo
Used 32+ times
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40 Slides • 10 Questions
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Multiple Choice
The EKG represent the electrical current of the heart. What component of the EKG represent the ventricular repolarization?
P wave
ST segment
T wave
U wave
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Multiple Choice
What lead define an axis in the frontal plane at 0°?
DII
AvF
DI
AvL
DIII
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Multiple Choice
What electrical event is represented by the PR interval?
Atrial repolarization
Ventricular repolarization
Atrial depolarization + conduction through the AV node + His-Purkinje system
Electrocardiographic silence
Atrial repolarization + ventricular repolarization
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Multiple Choice
What is correct about the Q wave?
It is the first positive deflection of the QRS complex
It is a negative deflection that follows the R wave
It is the first negative deflection of the QRS system
Represent electrocardiographic silence
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Multiple Choice
What wave represents the depolarization of the Left Ventricle myocardium?
Q wave
R wave
S wave
R' wave
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Multiple Choice
What mechanical event (clinical response) is happening during the ST segment?
Ventricular relaxation
Atrial relaxation
Atrial contraction
Ventricular contraction
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Multiple Choice
What electric event is represented by the T wave?
Ventricular depolarizaton
Atrial repolarization
Atrial depolarization
Ventricular repolarization
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Multiple Choice
What electrocardiogram elements compose the QT interval?
P wave + QRS complex + ST segment
QRS complex + ST segment
ST segment + T wave
QRS complex + ST segment + T wave
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Multiple Choice
What is the formula used for the calculation of QTc (Corrected QT interval)?
QTc = QT interval / RR interval in sec
60 sec / RR interval
300 / #of large boxes in the RR interval
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Multiple Choice
In order to calculate the heart rate, what of the following is required?
Measure R - R interval
Calculate QTc
Measure ST segment
Measure P-R interval
Measure QRS complex
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