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Nurs 5463 Test 1 Detailed Questions And Expert Answers
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Nurs 5463 Test 1 Detailed Questions And Expert Answers
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Nurs 5463 Test 1 Detailed Questions AndExpert Answers
Atypical s/s of AMI in older adults - ANS diaphoresis, SOB, N/V, AMS, syncope
What differential diagnoses are most important when presenting with chest pain?
- ANS AMI, PE, PTX, aortic dissection, esophageal rupture
What is considered ST elevation in men and women? - ANS Men = 2mm
Women = 1.5mm
OR new LBBB in 2 leads
Which troponin is more specific? I or T? - ANS Troponin I is more specific
How often to check troponins? - ANS Q6h
What 2 things can exclude PE? - ANS Negative DDIMER & low Wells score
Paradoxical abd movement during inspiration indicates... - ANS impending
respiratory failure...indicates fatigue
If a pt c/o dyspnea, it's always important to determine if... - ANS they have a
problem with gas exchange
, Hypoxia - ANS Reduced level of tissue oxygenation
Hypoxemia - ANS decrease in partial pressure of oxygen in the blood
Causes of hypoventilation? Treatment? - ANS CNS dep, narcs, obesity, A-a
gradient, elevated CO2.....corrects with oxygen
Most common cause of hypoxia - ANS VQ mismatch
Causes of VQ mismatch - ANS COPD, asthma, ILD, PNA, increased A-a gradient
Does VQ mismatch improve with O2? - ANS Yes
Causes of right to left shunt? - ANS anatomic (heart problems), physiologic (PNA,
ARDs, atelectasis)
Does right to left shunt respond to oxygen? - ANS difficult to correct with O2
Causes of diffusion impairment - ANS PF, PCP, emphysema
Does diffusion impairment correct with O2? What makes it worse? - ANS Worsens
with activity, corrects with oxygen
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