Term
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Definition
A. Systole
B. Diastole
Contrary to the flascard, diastole is much longer than systole. |
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Term
[image]
Name the phase or waveform and what is happening.
A |
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Definition
| Systole: Ventricular depolarization and repolarization |
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Term
[image]
Name the phase or waveform and what is happening.
B |
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Definition
| Diastole: Atrial depolarization and repolarization |
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Term
[image]
Name the phase or waveform and what is happening.
C |
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Definition
| A wave: The end of diastole, beginning of systole, this wave is created by atrial contraction. The AV valves close due to higher pressures in the ventricles versus the atria. |
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Term
[image]
Name the phase or waveform and what is happening.
D |
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Definition
| X wave: Early atrial relaxation |
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Term
[image]
Name the phase or waveform and what is happening.
E |
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Definition
| C wave: A sudden increase in pressure in the atria during atrial relaxation is caused by an upward shift in the annulus during ventricular contraction |
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Term
| [image] Name the phase or waveform and what is happening. F |
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Definition
| X':Continuation of atrial relaxation |
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Term
[image]
Name the phase or waveform and what is happening.
G |
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Definition
| IVRT: The end of systole, the beginning of diastole. A quick increase in atrial pressure due to continuous filling. |
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Term
[image]
Name the phase or waveform and what is happening.
H |
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Definition
| V wave: Peak volume in atria is achieved and the presure gradient is higher in the atria than the ventricles causing the AV valves to open. |
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Term
[image]
Name the phase or waveform and what is happening.
I |
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Definition
| Y wave: A quick decrease in atrial pressure do to rapid passive filling to the ventricles. |
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Term
[image]
Name the phase or waveform and what is happening.
J |
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Definition
| Diastasus: During this phase, there is an equalization of pressures between the atria and ventricles. |
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Term
[image]
Name the phase or waveform and what is happening.
A |
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Definition
| A rise in pressure just prior to systole due to increased volume from atrial contraction |
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Term
[image]
Name the phase or waveform and what is happening.
B |
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Definition
| IVCT: End diastole, beginning of systole; build-up of ventricular pressure, wall tension and stress |
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Term
[image]
Name the phase or waveform and what is happening.
C |
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Definition
| SL valves open: maximum ejection |
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Term
[image]
Name the phase or waveform and what is happening.
D |
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Definition
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Term
[image]
Name the phase or waveform and what is happening.
E |
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Definition
| minimum ejection: SL valves close |
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Term
[image]
Name the phase or waveform and what is happening.
F |
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Definition
| IVRT: End of systole, beginning of diastole; decrease of pressure |
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Term
[image]
Name the phase or waveform and what is happening.
G |
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Definition
| Rapid passive filling; slow increase of pressure |
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Term
| What are the 4 stages of Diastole? |
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Definition
1. IVRT: Isovolumic relaxation time
2. Rapid passive filling
3. Diastasus: equalization between atria and ventricles
4. Atrial contraction (15-20% Volume) |
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Term
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Definition
| Beginning Systole; SL valves open |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Diacrotic Notch; End Systole; SL valve close |
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Term
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Definition
| A-wave; End Diastole; IVCT; Mitral Valve closes |
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Term
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Definition
| X-wave; early atrial relaxation |
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Term
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Definition
| C-wave; slight increase in atrial pressure due to an upward shift in annulus from ventricular contraction |
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Term
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Definition
| X'-wave; atrial relaxation continued |
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Term
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Definition
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Term
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Definition
| V-wave; Full atria; Pressure in atria higher than ventricle; IVRT then Mitral valve opens |
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Term
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Definition
| Y-wave; rapid passive filling |
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Term
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Definition
| Diastasus: equalization of pressures |
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Term
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Definition
| Increased pressure in ventricle from atrial contraction |
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Term
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Definition
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Term
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Definition
| Aortic valve opens; maximum ejection |
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Term
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Definition
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Term
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Definition
| Minimum ejection then Aortic valve closes |
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Term
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Definition
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Term
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Definition
| Pressure slowly increasing in ventricle due to rapid passive filling |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Dicrotic Notch; Aortic valve closes |
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Term
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Definition
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Term
| What is the normal pressure for the Right Atrium? |
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Definition
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Term
| What is the normal pressure for the Right Ventricle? |
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Definition
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Term
| What is the normal pressure for the Left Atrium? |
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Definition
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Term
| What is the normal pressure for the Left Ventricle? |
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Definition
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Term
| What is the normal pressure for the Superior Vena Cava? |
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Definition
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Term
| What is the normal pressure for the Inferior Vena Cava? |
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Definition
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Term
| What is the normal pressure for the Pulmonary Artery? |
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Definition
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Term
| What is the normal pressure for the Pulmonary Wedge? |
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Definition
| 9-15 mmHg (sees LA pressure) |
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Term
| What is the normal pressure for the Aorta? |
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Definition
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Term
| What is compliance and function? |
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Definition
| The ability for a chamber to relax and fill |
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Term
| What events lead to myocardial contraction? |
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Definition
1. Depolarization
2. Ionic exchange
3. 40-50 msec difference between right and left heart
4. Atrial and Ventricular contraction |
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Term
| An A-wave is the result of? |
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Definition
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Term
| What wave signifies atrial relaxation? |
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Definition
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Term
| What wave signifies an increase in pressure due to ventricular contraction? |
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Definition
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Term
| What wave should signify a higher pressure than the ventricular pressure and what mechanically happens? |
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Definition
| V-wave; AV valves open to allow rapid passive filling |
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Term
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Definition
| Equalization of pressures between atria and ventricles |
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Term
| Where on the EKG does Systole begin and end? |
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Definition
| Begins at the onset of the QRS complex and ends at the completion of the T-wave |
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Term
| Where on the EKG does Diastole begin and end? |
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Definition
| Begins after the completion of the T-wave and ends at the onset of the QRS complex |
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Term
| When does Isovolumic Ventricular Contraction Time occur? |
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Definition
| At the end of diastole, the beginning of systole (at about the QRS complex) |
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Term
| When does Isovolumic Ventricular Relaxation Time occur? |
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Definition
| At the end of systole, the beginning of diastole (at about the T wave) |
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