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20 Cards in this Set

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  • Back
In a normal frontal X-Ray, the heart shoadow should occupy (blank) or less of the maximal width of the thorax.
50% (cardio/thoracic ratio)
TRUE/FALSE - Hypertophy is easily measure by frontal and lateral X ray.
False - internal change not external change like dilatation
Dilatation of LA & RV + signs of pulmonary HTN suggest?
mitral stenosis
Pulmonary artery Enlargment on X Ray suggests?
L to R shunt (e.g. ASD), Pulmonary HTN,
Name 2 Pulmonary manifestations apparent in Left side HF.
1. septal lines (fluid in interlobular spaces due to edema);
2. blunting of costodiaphragmatic angles from pleural effusions
Table 3.1
Contrast Echocardiography is highly senistive for the detection of ?
Congenital HD especially abnormal intracardiac shunts
2D Echocardiography can be used to measure hypertorphy as well as the pressure gradient across valves via what equation?
Pressure gradient = 4 x (v squared, distal to the valve)
TRUE/FALSE - Echocardiography can sufficently and directly image the coronary arteries for disease.
False - depicts the consequences of CAD and indirect evaluation.
To Measure R side pressure (A,V, PA) during catherization, where is the insertion?
Vein (femoral, brachial, or jugular)
To measure LV or aortic pressure during catherization, where is the insertion?
Artery (brachial, femoral)
To measure LA during catherization, where is the insertion?
Transseptal perforation from R sided catherization (OR) Pulmonary Wedge in capillaries through pulmonic valve
Describe the pressure's in the heart's chambers
RA=CVP (0-8);
LA =1-10;
LV = 100-140/3-12
Prominent RA "a wave" suggests
Tricuspid stenosis or RV hypertrophy
Prominent RA "v wave" suggests
Tricuspid regurgitation
What is the primary clinical purpose of Contrast Angiography?
detection of CAD and atherosclerotic lesions.
What modality is used to assess myocardial perfusion and can therefore determine ischemia and infarction from CAD?
Radionucleide nuclear imaging (decreased accumulation "cold spots" = ischemia/infarction)
How do you tell the difference between ischemia and infarction on radionucleide tests?
Persistence of cold spots = mostly likely infarction but could be hibernating myocardium; "Filling in" = ischemia
Pharmacologic Stress testing along with radionucleide imaging entails what?
CA vasodilators (adenosine, dipyridamole) which will "steal" away from ischemic regions resulting in reduced isotope uptake.
Table 3.5