Cardiac Markers and Lipids Flashcards

1
Q

This enzyme is very specific to the liver

A

ALT

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2
Q

Elevated levels of this enzyme are found in hepatitis, cirrhosis, bile duct obstruction, mono, and drugs (Rx or illicit)

A

ALT & AST

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3
Q

What is the normal ratio of AST/ALT?

A

0.8

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4
Q

A ratio of 2:1 in AST/ALT would mean?

A

alcoholic hepatitis

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5
Q

This enzyme is tested to detect alcohol indued liver disease

A

gamma glutamyltransferase (GGT)

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6
Q

The major value of this in the diagnosis of liver disorders is in the recognition of cholestatic (gallbladder) disease

A

Alkaline Phosphatase (ALP)

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7
Q

The most abundant plasma protein in the body

A

Albumin

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8
Q

_______ is essential for maintaining osmotic pressure in the intravascular compartments

A

Albumin

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9
Q

These 2 tests are used to determine clotting tendency of the blood, warfarin damage, vitamin K status, and liver damage

A

Prothrombin time and international normalized ration (PT & INR)

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10
Q

Is there increased or decreased levels of total protein in those who have chronic hepatitis B & C, HIV, multiple myeloma?

A

Increased levels

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11
Q

This enzyme is elevated in the presence of CA of many organs of the body

A

Lactatedehydrogenase (LDH)

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12
Q

What serum tests are used to measure damage to the heart?

A
Total creatinine kinase (CK)
Lactate dehydrogenase (LDH)
Troponin
Myoglobin
B-type naturetic peptide (BNP)
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13
Q

This enzyme is used as a specific index of injury to myocardial and muscle tissue and a small amount in the brain

A

Creatinine Kinase (CK)

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14
Q

What are the 3 isoenzymes of CK?

A

CK BB
CK MB
CK MM

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15
Q

This CK isoenzyme is found primarily in the brain, GI and genitourinary tract. It is elevated with brain injury.

A

CK BB

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16
Q

This CK isoenzyme is found primarily in skeletal muscle

17
Q

This CK isoenzyme is found primarily in cardiac muscle

18
Q

Elevated levels of CK-MB indicate?

A

Myocardial damage

19
Q

Increases in this enzyme indicate cellular death and leakage of enzyme from the cell

20
Q

Elevated levels of LDH can be found in these diseases:

A
CHF
Liver disease
CA
Lung disease
Muscular dystrophy
Megablastic anemia
Hemolytic anemias
MI
21
Q

An elevation of this is considered the gold standard for detection of MI

22
Q

An oxygen binding protein of striated muscle

23
Q

Troponin levels are detected after how many hours after an MI?

A

3-12 hours

24
Q

Troponin levels peak after how many hours of a MI?

A

18-24 hours

25
This enzyme is used to monitor treatment in patients who suffer from CHF?
BNP
26
If a patient is SOB with known history of CAD or MI, what test do you order?
BNP
27
An elevated total cholesterol level is associated with?
Increased risk of atherosclerosis and MI
28
HDL helps protect against?
Atherosclerosis
29
Higher amounts of VLDL are linked to?
A high risk of heart disease
30
When do you order a lipid panel?
When the patient has a risk factor: diabetes; smoking; age; obesity; HTN; FH of increased lipids; CAD
31
Reasons for increased triglycerides
``` hyperlipidemia pancreatitis liver disease alcoholism nephrotic syndrome hypothyroidism MI gout ```