Greife auf kostenlose Karteikarten, Zusammenfassungen, Übungsaufgaben und Altklausuren für deinen Cardiac Cycle and EEG Kurs an der University of South Florida zu.
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Trace blood flow through heart:
RA - Tricuspid Valve
RV - Pulmonary Valve
LA - Mitral Valve
LV - Aortic Valve
What is the name for the place where blood leaves the heart?
Aorta (aortic arch)
Define Diastole and describe what happens
Relaxation
Blood flows into ventricles (Tricuspid and Mitral valves), Pulmonic and Aortic valves closed
Define Systole and describe what happens
Contraction
Ventricles force blood out through Pulmonic and Aortic valves, Tricuspid and Mitral closed.
Go look at and memorize the Cardiac cycle graph.
Please.
List the 4 stages of the cardiac cycle
Describe Ventricular Filling (valves, blood flow, end volume, end pressure)
Longest phase (0.45s), when ventricles relaxed (diastole), blood flows in
End-Diastolic Volume: 120mL
End-Diastolic Pressure: 5mmHg
Describe Isovolumetric Contraction
Shortest stage (0.05s), all valves closed. Ventricular pressure > atrial pressure
Describe Ejection (valves, blood flow, volume and pressure)
0.30s, tricuspid and mitral valves closed, pulmonic and aortic open, blood flowing out.
End Systolic Volume: 50mL
End-Systolic Pressure: 120 mmHg
Describe Isovolumetric Relaxation
0.08s, all valves closed, ventricular pressure drops below aortic and atrial pressure, eventually T and M valves open
___ node monocytes act as electrical pacemakers
SA node monocytes
Blood enters the heart at the:
Inferior vena cava
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