Term
| how might aortic stenosis present: |
|
Definition
- blood pressure may be normal, but pt would have a higher than normal left ventricular pressure during systole
- heart will hypertrophy
- compliance is decreased so it harder to fill left ventricle during diastole
- ventricular lumen is smaller
- harder to maintain stroke volume |
|
|
Term
| pulse pressure disappears after the ____. |
|
Definition
|
|
Term
| During LV ejection, ___ ___ is absorbed by the walls of the ___ and ___ as these structures expand. This provides energy for blood flow during ___ through the ____. If the walls are compliant, they expand readily, if not, it takes more pressure to expand them. |
|
Definition
- pressure energy
- aorta and arteries
- diatole
- periphery |
|
|
Term
| During LV diastole, energy is returned to the blood as the walls of the ___ and ___ ___. This help sustain ___ pressure and ____ blood flow. |
|
Definition
- aorta and arteries
- contract
- diastolic
- periphary |
|
|
Term
| In a young person with a compliant aorta, you can increase ___ WITHOUT greatly increasing ___. But as a person ages, arteries become less ___, so a big increase in ___ ___ must be accomodated by an increase in pressure. |
|
Definition
- stroke volume
- pressure
- compliant
- stroke volume |
|
|
Term
| equation for pulse pressure: |
|
Definition
|
|
Term
| PP is directly proportional to ___ ___ and is inversely proportional to ___ ___. |
|
Definition
- stroke volume
- arterial compliance |
|
|
Term
| So as arterial complinace increases, what happens to pulse pressure? |
|
Definition
|
|
Term
| As stroke volume increases what happens to PP? |
|
Definition
|
|
Term
| DAP is directly proportional to ___ ___, so as peripheral resistance increases, DAP ___ , while PP ____. |
|
Definition
- peripheral resistance
- increase in resistance> increase DAP and decrease in PP |
|
|
Term
| Mean pressure is closer to ___ pressure, because more time is spent in ____. |
|
Definition
|
|
Term
| If compliance is small, you will have a ___ pulse pressure. |
|
Definition
|
|
Term
| In steady state CO is equal to what two other things? |
|
Definition
|
|
Term
| If CO is less than Peripheral Blood Flow, then ___ ___ __ and ___ ___ will ___. The rate of ___ ___will vary inversely with ___ ___. |
|
Definition
- arterial blood volume
- mean pressure
- decrease
- pressure fall
- arterial compliance |
|
|
Term
| If cardiac output is greater than peripheral blood flow, then the ___ __ ___ and ___ ___ must ___. The rate of __ __ will be inversely proportional to __ ___. |
|
Definition
- arterial blood flow
- mean pressure
- increase
- pressure rise
- arterial compliance |
|
|
Term
| when cardiac output suddenly increases, arterial compliance determnes the ___ at which the new pressure will be attained but not the magnitude of the new pressure. |
|
Definition
|
|
Term
| contracting muscles are significant aid in increasing ___ return during exercise. |
|
Definition
|
|
Term
| when standing you have a high venous pressure, when you walk this decreases a lot, but when you run it increases some b/c of the increased blood flow. |
|
Definition
|
|
Term
| There are valves in veins. When muscles contract,the blood goes toward the heart, and the valves ___ keeping the blood from flowing backwards. |
|
Definition
|
|
