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28 Cards in this Set
- Front
- Back
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V-1 |
4th intercostal space to the right of the sternum |
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V-2 |
4th intercostal space to the left of the sternum |
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V-4 |
5th intercostal space on the left midclavicular line |
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V-3 |
5th intercostal space midway between V-2 & V-4 |
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V-6 |
5th intercostal space on the left midaxillary line |
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V-5 |
5th intercostal space midway between V-4 & V-6 |
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The p wave is |
Atrial depolarization |
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The QRS complex is |
Ventricle depolarization |
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The T wave is |
Ventricle repolarization |
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The bipolar leads are |
L1 L2 L3 |
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The augmented leads are |
AVL, AVR, AVF |
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Layers of the heart are |
1.Epicardium (outermost), 2.myocardium (middle layer, responsible for the pumping action of the heart) 3. Endocardium (innermost layer) |
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Small box |
1mm by 1mm |
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Large box |
5mm by 5mm |
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Left atrium carries |
oxygenated blood |
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Right atrium carries |
Deoxygenated blood |
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Cardiac output equals... |
Heartrate times stroke volume, this tells at what rate the heart is pumping blood through the chamber's |
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Systole |
Contraction or depolarization |
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Diastole |
Relaxation or repolarization |
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Asystole |
The absence of systole and diastole which is life threatening |
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Automacity |
The ability of the cardiac pacemaker cells to spontaneously generate their own electrical impulse |
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Myocardial ischemia |
An inadequate supply of oxygenated blood to the heart muscle which is characterized by an elevated ST rate |
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Murmur |
A structural defect which can be heard as a swishing sound during the heartbeat cycle |
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Adult normal PR interval |
0.12-0.20 seconds |
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300 large squares are covered in 1 min of an EKG |
300×5=1500 |
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Irregular space between R intervals indicates |
Irregular heartbeat |
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Tricuspid valve is located |
Between the right atrium and right ventricle |
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Bicuspid valve(mitral valve) located |
Between the left atrium and left ventricle |
