Flashcard Set Preview
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| 1 |
1. quantity of bld pumped per minutes by the ____ or _______2. Give following numerical values:a....
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1. right or left ventricle2a. 0-4mmHgb. 20-30/ 0-8mmHgc. 20-30/ 8-15mmHgd. 8-12mmHg
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| 2 |
1. Frank Starling Law of the HEart= as cardiac muscle fibers are stretched, the fibers will...
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1. with greater force of contraction (within physiological limits)2. As more bld fills ventricle...
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| 3 |
1. degree of tension on the muscle when it begins to contract2. often measured as what?3. look...
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1. preload2. end-daistolic vent pressure4. #1- bld volume- position-intrapleural pressure-...
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| 4 |
Frank Starling's Law1. what pressures can be estimated using a plum art catheter2. distal end...
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1. left ventricular filling pressures2. distal segment (zone 3) of plum artery3. left atrial...
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Central Venous Pressure1. zero transducer to what?2. read CVP at what point during resp cycle?3....
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1. phlebostatic axis2. end of expiration3. right ventricular end diastolic pressure
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| 6 |
1. If swan is pulled back into RV, it is considered what? What does it look like?2. PCWP- number...
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1. swan emergency- catheter needs to be pulled out immediately - V-tach2. PA diastolic3....
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Atrial Stretch1. stretch of right atrial wall by increased bld vol leads to what? (not...
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1. increased HR (by 10-20%)2. left ventricular after load3. right ventricular afterload
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| 8 |
Sympathetic Nervous System1. sympathetic fibers originate where?2. efferent fibers synapse...
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1. medulla from the cardioaccelerator center2. lateral horns of spinal segments T1-T53. paravertebral...
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Effect of NorEpi on the Heart1. stimulation of which receptors? a. increased permeability...
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1. B1 a. Na/ Ca b. heart rate (chronotropy) and contractility (inotropy)2....
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| 10 |
Mechanism of increased contractility by NE1. NE binds to ___ receptor on cell membrane2. ___...
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1. B12. Adenylate cyclase/ ATP to cyclicAMP3. protein kinase**opening of slow Ca channels and...
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| 11 |
1. Vagus innervates primarily what?2. Vagal stimulation slows ____ of SA node and decreases...
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1.right vagus innervates SA node left vagus innervates the AV node2. automaticity/ excitability3....
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| 12 |
Extrinsic Regulation = other factors affecting cardiac fct1. cardiac debility = ____ heart2....
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1. hypoeffective2. hypereffective3. K a. concentration gradient b....
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| 13 |
a
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a
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