NURS 221 Patho Exam 2 Pathology
exam 2 for Drexel ACE
Coronary Circulation - correct answer ✔*Active muscle which requires lots of
O2
*Heart relaxes —> high pressure of blood in aorta—> pushes blood into
coronary vessels
*Many anastomoses- connection between arteries supplying blood.
Stable Angina - correct answer ✔Angina Pectoris
-Associated with transient myocardial ischemia
-Precipitated by increased work demand (exercise, exposure to cold,
emotional stress).
-Pain; constricting and squeezing leads to increases in intensity at onset and
end of attack.
-Can radiate to left shoulder, jaw or arm
vasospastic angina or "Prinzmetal Angina" - correct answer ✔*Spasms of
coronary arteries
*occurs at rest or with minimal exercise
*Nocturnal; between midnight and 8 am
Acute Coronary Syndrome lab markers - correct answer ✔*Serum Markers
for Acute myocardial infarction
*Creatine kinase elevated within 4-8 hours
*Myoglobin elevated 1 hour post myocardial cell death
Troponin complex- rises within 3 hours and may remain elevated 7-10 days.
, Unstable Angina causes - correct answer ✔*Atherosclerotic plaque
disruption
*Cocaine can cause unstable angina and MI
*Pain- More persistent and sustained course. Recurrent episodes. Increase in
intensity and duration
acute myocardial infarction - correct answer ✔* "Heart Attack"- Ischemic
death
*Onset-Abrupt
*Nature- pain is usually severe. Usually requires Narcotics
*Location- Substernal, radiating to neck, jaw or left arm
acute myocardial infarction symptoms - correct answer ✔* Nausea and
vomiting (mistaken for indigestion)
*Fatigue and weakness
*Pain and Sympathetic stimulation; Tachycardia, anxiety, impending doom
*Pt often diaphoretic, cool, pale skin
*Sudden death within 1 hour post onset.
Mitral Valve Stenosis - correct answer ✔*Rheumatic Fever
*elevation in left atrial pressure and enlargement of chamber
*Pulmonary congestion, decreased cardiac output
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