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18 Cards in this Set
- Front
- Back
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The volume (load) of blood in the heart at the end of diastole |
Define preload |
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Preload sequela? |
~ Increased fluid overload. ~ Regurgitant valve. ~ A shunt |
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The resistance (pressure of blood) the heart must pump against. |
Define afterload |
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Afterload sequela |
~ 👆pressure overload. ~ Stenosis. ~ Hypertension. ~ valves not opening enough ~ results in Hypertrophy (thickening) |
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Aortic isthmus location |
Btwn L. Subclavian & Ligamentum artriosum |
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Cardiac Cycle phases? |
~ 1. IVCT ~ 2. Systole ~ 3. IVRT ~ 4. Diastole |
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SV, CO, CI Equations |
SV = EDV - ESV CO = SV x HR CI = CO / BSA |
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DEF: Chronotropic |
Heart Rate |
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DEF: Inotropic Force |
Muscle force of contraction |
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DEF: Hyperkinetic |
Excessive wall movement > 70% |
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DEF: hypokinetic |
Decreased wall movement <55% |
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DEF: Hibernation |
~ No movement or thickening of the mayocardium. ~ MI is possible ~ shows up bright |
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DEF: Dyskinetic |
~ Movement away from the center. ~ MI possible. |
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Normal heart rate |
60 - 100 BPM |
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Coronary Arteries |
~ SVC, IVC, AO, PA ~ RCA ➡ Post Descend Art ➡ Acute Marginal ~ LCA ➡ L. Ant descend Art ➡ Circumflex Art |
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ID, RVOT anatomy |
~ infundibulum ~ ventricular septum ~ RV free wall |
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ID, RVIT anatomy |
~ tricuspid valve apparatus ~ sub-valvular apparatus |
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Def: Aortic Cusp separation |
~ The maximum distance between the aortic cusps during early systole, while the AVO is wide open.
~ Normal AVO orifice = >2 cm^2 ~ Normal AVO velo. 1.0 - 1.7 m/s |
