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39 Cards in this Set
- Front
- Back
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What is the purpose of the fluid that fills the pericardial sac |
To reduce friction during heart activity |
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Location of the heart in the thorax |
Mediastinum |
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Tricuspid and mitral valves are they |
AV valves |
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The discharging chambers of the heart |
Ventricles |
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Visceral pericardium |
Epicardium |
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Receiving chamber of the heart |
Atria |
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Trace the drop of blood through the heart |
Rt atrium Tricuspid Rt ventricle Pulmonary valve Pulmonary trunk Pulmonary arteries Pulmonary capillaries Pulmonary veins Left atrium Mitral valve Left ventricle Aortic valve Aorta |
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Compare the mitral and tricuspid valves |
Both have thin flaps, secured by chordae tendineae, the Rt valve |
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What does the vertical and horizontal axis on the ECG paper represent |
mV and time |
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How many large boxes does it take to make 1 mV and 1 second |
Segment 2 and 5 respectively |
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The intrinsic conduction system structure that initiates the arterial depolarization |
SA node |
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A region on an EKG tracing that is between two waves but doesn’t include a wave |
Segment |
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The deflection on the ECG that is a result of atrial depolarization |
P wave |
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Deflection on the ECG that is a result of ventricular repolarization |
T wave |
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A region on an ECG tracing that includes a segment and at least one wave |
Interval |
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Layer composed of cardiac muscle |
Myocardium |
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Lining of the heart chambers |
Endocardium |
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Pulmonary and aortic valves |
Semilunar valves |
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Drains blood into the right atrium |
Coronary sinus |
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Which valves are anchored by the chordae tendineae |
The AV valves, tricuspid and mitral |
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Which valves close when the cups fill with blood |
The semilunar valves |
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What is the role of the pulmonary circuit |
Moves blood out of the Rt side of heart through then lungs and returns it too the left |
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What is the role of the systemic circuit |
Moves blood out of the heart through circulation and back to the heart after |
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What are the 3 vessels that deliver oxygen-poor blood to the right atrium |
The coronary sinus, Rt and Lt coronary sinus |
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The intrinsic conductions system structure where the conduction of the impulse is |
AV node |
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Heart rate over 100 |
Tachycardia |
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Heart rate below 60/ min |
Bradycardia |
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Very rapid uncoordinated myocardial activity |
Fibrillation |
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Name the 3 branches of the L bundle |
Left Anterior fascicle, left posterior fascicle, septal fascicle |
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The Rt and Lt bundles innervate which heart structure |
Rt and Lt ventricle, respectively |
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What is the max PR interval Max QRS MAX QT |
.20 for PR .12 for QRS .44 for QT |
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What is the max PR interval Max QRS MAX QT |
.20 for PR .12 for QRS .44 for QT |
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What is the intrinsic heart rate for the SA node |
60-100 |
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AV node rate |
40-60 |
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Bundle of His |
40-60 |
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Perkinje fibers |
20-40 |
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What plane are the limb and precordial leads in |
Frontal and transverse planes, respectively |
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What is the normal axis for which of the following limb leads |
aVL: -30 I: 0 II: 60 aVF: 90 III: 120 aVR: -150 |
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Which of the following leads represents which part of the heart |
Anterior - V2, V3, V4 Inferior - II, III, aVF Lateral - I, aVL, V5, V6 Right heart - aVR, V1 |
