MI CP - ANSWERTightness, pressure, radiating (w/ N/V, SOB and diaphoresis)
Aortic Dissection CP - ANSWERsudden onset of excruitating pain usually beginning in
the anterior chest, radiating to the back and moves downward as dissection
progresses
may be confused with a MI
seen mainly in man 4-60 years with HTN and younger patients with Marfan's
Pericardial CP - ANSWERSharp, stabbing, left chest, better when getting up or sitting
forward, worse w/ lying supine
Pleuritic CP - ANSWERSharp pain with inspiration
Also seen in Pneumonia and PE
CP Geriatric Considerations - ANSWERAlways suspect AMI first, watch for atypical s/s
("CP" less likely)
STEMI - ANSWER>1mm elevation in 2 contiguous leads or new LBBB
diffuse ST elevation can be pericarditis
Dyspnea - ANSWERsubjective experience of breathing discomfort that consists of
qualitatively distinct sensations that vary in intensity (symptom, not a disease state)
A-A Gradient - ANSWERDifference in partial pressure of oxygen between alveoli &
arterial blood (PAO2 - PaO2)
1. Always + because it flows high to low pressure
2. Typically 10, but ranges 5-20
3. Increases with age
4. Should be (Age/4)+4
5. Helps diagnose the SOURCE of HYPOXIA
High A-A Gradient - ANSWER>20
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