You
guys
are
very
smart
100
Define ischemia
Decreased oxygen supply
100
What cardiac marker is the first to rise?
Myoglobin
100
What is the reference range for cTnI?
< or = to .05
100
What are the reference ranges for:
total CK
CK-MB
CK index
38-120
< or = 5
< or = 4%
100
What is the equation for calculating the CK index?
CK-MB/CK X 100%
200
What is the usual cause of acute coronary syndromes (ACS)?
Atherosclerosis
200

Out of the 3 isoforms of CK, what is theone most specific to the heart?

CK-MB
200
What type of sample is used for POCT troponin levels?
Whole blood
200
Name 2 reasons total CK would be elevated other than a MI
stroke, exercise, alcoholism, end stage renal disease
200
What else can cause an elevated myoglobin besides a MI?
Car accident, rapid exercise
300
What are 3 things they perform when they do a cardiac ischemia workup?
Look at type of chest pain, physical exam, chest x-ray, EKG, cardiac biomarkers
300
What are 2 symptoms of CHF?
SOB, edema, fatigue
300
If a patient presents with increased troponin levels and no ischemia, would you rule in or rule out a MI?
Out
300
What is the preferred marker for re-infarction?
CK-MB
300

What is occurring when measuring the systole and what is occurring when measuring the diastole?

Systole: contraction
Diastole: relaxtion
400
What are two risk factors for atherosclerosis?
Age, diabetes, males, previous Hx MI
400
What are the best 2 biomarkers to diagnose an MI?
Troponin I and CK-MB
400
Is LDH specific or non-specific?
Non-specific
400
What two waves will be affected on an EKG when a MI is happening?
ST and Q
400
Where is BNP released from and what color tube is this test tested from?
Cardiac ventricles and purple
500
Give an example of when BNP would be elevated
CHF
500
What color tube are CK tests run on?
Green
500
What is the time limit for all cardiac biomarkers to be tested and reported out?
<60 minutes
500
What color tube is myoglobin done on?
Whole blood
500
If CK-MB is less than 4%, does that indicate cardiac or skeletal damage?
Skeletal
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