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Cardiac Biomarker for MI (gold standard) - highest sensitivity. Enters bl stream soon after heart attack. Also stays in bl stream after all other biomarkers have gone bk to norm. Troponin I: highly specific to the heart and stays higher longer than creati$15.49
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Cardiac Biomarker for MI (gold standard) - highest sensitivity. Enters bl stream soon after heart attack. Also stays in bl stream after all other biomarkers have gone bk to norm. Troponin I: highly specific to the heart and stays higher longer than creati
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Course
Ecco
Institution
Ecco
Which therapeutic pharmacologic interventions should be started immediately for a patient with cardiogenic shock?
*ALL except vasodilating agents once BP is stabilized
You suspect hypovolemic shock in a postoperative gastrectomy patient because of the following instructions:
x tachy, hypo
...
ECCO:
Diagnosing
Acute Coronary
Syndrome test
questions and
answers
Cardiac Biomarker for MI (gold standard) - highest sensitivity.
Enters bl stream soon after heart attack. Also stays in bl stream
after all other biomarkers have gone bk to norm.
Troponin I: highly specific to the heart and stays higher longer than
creatinine kinase-MB. Current guidelines from the AHA say this is
the best biomarker for finding a heart attack. The AHA says to limit
use of the other biomarkers. These include CK, CK-MB, and
myoglobin.
also troponin T
, This enzyme can also be measured several times over a 24-hour
period. It will often at least double if you've had a heart attack. CK
can go up in many other conditions besides HA so, not very specific.
Creatinine kinase (CK):
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→ subtype of CK. More sensitive for finding heart damage from HA.
Rises 4 to 6 hours after a heart attack. Back to norm in a day or two.
Because of this, it's not helpful when a healthcare provider is trying
to figure out if your recent chest pain was a heart attack.
CK-MB
This is a small protein that stores oxygen. Measured occasionally w/
suspected HA. Myoglobin is sometimes measured in addition to
troponin to help diagnose a heart attack. Not very specific for
finding HA.
Myoglobin:
thought to rise rapidly in patients with acute MI b/c of poor systemic
perfusion secondary to uncompensated cardiac ischemia
Serum lactate:
a hormone secreted by cardiomyocytes in the heart ventricles in
response to stretching caused by increased ventricular blood vol.
(Heart Failure)
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