7 - David Nicholls (Indigenous man with MI trying to rescue grandkids from lake) Flashcards
1
Q
symptoms (5)?
A
chest pain possibly radiating to jaw and left arm. SOB. Sweaty. Nausea, light-headedness
2
Q
MOA of SOB in MI
A
Myocardial infarction -> impaired contractility -> dec cardiac output -> inc end diastolic volume -> inc end diastolic pressure in L ventricle -> inc L atrial pressure -> inc pulmonary pressure -> pulmonary hypertension -> pulmonary congestion -> shortness of breath
3
Q
which coronary arteries are responsible for each part of heart
A
LAD - anteroseptal and anteroapical
Right - Inferior and posterior
Circumflex - Anterolateral
4
Q
biochemical markers in MI? when do they peak?
A
tropinin - peaks at 48 hrs (system 1 week)
Creatine Kinase MB - peaks at 24 hrs (system 3 days)