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Exam 3) NSG 533 Exam 3: Questions & Answers: Latest Updated A Plus Guide Solution $7.99
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Exam 3) NSG 533 Exam 3: Questions & Answers: Latest Updated A Plus Guide Solution
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what are plaques that rupture called? (Ans- complicated plaques what happens when a plaque ruptures? (Ans- platelet adhesion, clotting cascade, rapid thrombus formation --> occlusion of vessel --> ischemia or infarction of vessel list the acute coronary syndromes (Ans- unstable an...

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  • August 3, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • what are plaques that rupture called
  • what happens when a plaque ruptures
  • list the acute coronary syndromes

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NSG 533 Exam 3: Questions & Answers
what are plaques that rupture called?
(Ans- complicated plaques

what happens when a plaque ruptures?
(Ans- platelet adhesion, clotting cascade, rapid thrombus formation -->
occlusion of vessel --> ischemia or infarction of vessel

list the acute coronary syndromes
(Ans- unstable angina, NSTEMI, STEMI

what is an acute coronary syndrome?
(Ans- sudden coronary obstruction caused by thrombus formation over
arteriosclerotic plaque

manifestations of unstable angina
(Ans-
- emergency
- reversible myocardial ischemia w/ some myocardial damage
- arteriosclerotic plaque has become a complicated lesion
- ECG abnormalities
- treat w/ nitrates, anticoagulants, and antithrombotic

ECG abnormalities of Unstable Angina
(Ans-
ST Depression
T wave inversion

manifestations of stable angina
(Ans-
- chest pain relieved by rest and nitrates
- d/t buildup of lactic acid
- pallor, diaphoretic, dyspnea, substernal chest discomfort

,define myocardial infarction
(Ans- loss of coronary blood flow for an extended period of time that
results in myocyte necrosis

two types of MI
(Ans- STEMI, NSTEMI

s/s STEMI
(Ans-
- cold, anxious
- ECG abnormalities
- elevated CK, CK-MB
- elevated myoglobin
- elevated troponin
- elevated LDH-1

ECG abnormalities STEMI
(Ans-
- ST elevation
- T wave inversion

ECG abnormalities NSTEMI
(Ans-
- ST depression
- T wave inversion

pathophysiology of acute coronary syndromes
(Ans- atherosclerotic plaques with thin fibrous cap and lipid-rich core are
prone to rupture

force, inflammation, apoptosis, or enzymes cause the plaque to rupture

platelet activation and adherence, production of thrombin and
vasoconstrictors for a thrombus

, acute decrease in coronary blood flow resulting in unstable angina or MI

complications of myocardial infarction
(Ans- dysrhythmias, LV failure, RV infarction, cardiogenic shock,
pericarditis, LV aneurysm

isolated systolic hypertension
(Ans- a condition most commonly seen in the older adult in which the
systolic pressure is greater than 140 mm Hg and the diastolic pressure is
within normal limits (less than 90 mm Hg)

primary/idiopathic hypertension
(Ans- most common of HTN diagnoses, no specific cause known

secondary HTN
(Ans- caused by underlying disease or medication that raises PVR or
cardiac output

what are some medications that may raise PVR or cardiac output?
(Ans- oral contraceptives, antihistamines, corticosteroids

risk factors for HTN
(Ans- obesity, diabetes, increased age, black males, family hx

American College of Cardiology blood pressure categories:
(Ans-
Normal: <120 ; <80
Elevated: 120-129 ; > 80
Stage 1: 130-139 ; 80-89
Stage 2: >140 ; >90
HTN Crisis: >180 ; >120

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