Cardiac lab values

Your patient is undergoing cardiac workup for a possible MI. You see a new troponin i value in the chart of: 0.1 (ng/mL)³. This is:

• Normal value, treat the patient

• Trending down, treat the patient

• Significantly elevated, hold treatment until after MI dx is confirmed

• Significantly elevated, hold treatment until CHF dx is confirmed

B-Type Natriuretic Peptide (BNP) is associated with:

• Acute MI

• CHF

• Hypertrophic cardiomyopathy

• Severe coronary artery disease

With a metabolic acidosis:

• pH is greater than 7.2

• Bicarbonate will be elevated

• Bicarbonate will be lowered

• PaCO2 will increase to compensate

Tags

NGSS.HS-LS1-3

Which is the following is true regarding partial thromboplastin time (PTT)?

• It is not related to the time blood takes to clot

• For a known DVT and anti-coagulant medication you want the value to be less than normal to indicate therapeutic window

• For a known DVT and anti-coagulant medication you want the value to be 2-2.5x the normal to indicate therapeutic window

• None of the above

If a test is highly sensitive:

• It will do well with ruling a condition out

• It will not do well with ruling a condition out

• It will do well with ruling a condition in

• It will not do well with ruling a condition in

D-Dimer may be elevated (>500) in which of the following conditions?

• DVT

• PE

• Recent surgery

• All of the above