Cardiac Biomarkers

Question 1

Ckmb

• peak
• last till
• ddx of rise

Answer 1

Peak in 1 day and rise till 3 days
Ddx:
Mi, myocarditis, pericarditis, muscular dystrophy, cardiac defibrillation

Question 2

Other cardiac bio markers

Answer 2

Ast and ldh rise in mi )low spec)
Bnp (b type natriuretic peptide) and nt-probnp: secreted by ventricles in response to increased end diastolic pressure and volume (ddx of elevated: chf, afib, pe, cops exacerbation, pulmonary htn

Question 3

Troponin

• when peak
• duration of elevation
• ddx of elevation

Answer 3

Peak rise in 1-2 day
Duration elevated up to 2 weeks
Ddx of elevation:
Mi, chf, acute pe, myocarditis, chronic renal insufficiency, sepsis, hypovolemia