Diagnostic Tests

Question 1

What are some of the diagnostic lab tests used for the cardiovascular system?

Answer 1

• Cardiac Markers (troponin, high-sensitivity troponin, CK-MB, myoglobin)
• CBC
• Blood coagulation factors
• Serum Lipids
• Homocysteine
• Highly sensitive C-reactive protein
• Microalbuminuria
• Electrolytes (Potassium, Sodium, Calcium, Phosphorous, Magnesium)
• Blood urea Nitrogen
• Blood glucose
• B-type natriuretic peptide (BNP)

Question 2

What are some of the diagnostic procedures for the cardiovascular system?

Answer 2

• Chest x-ray
• ECG
• Holter monitoring
• Echocardiography
• Exercise electrocardiography testing (stress test)
• Myocardial nuclear perfusion imaging
• Magnetic resonance imaging (MRI)
• Electrophysiological studies
  Electron-beam computed tomography (EBCT) scan
• Cardiac catheterization
• Intravascular ultrasonography (IVUS)

Question 3

Cardiac catheterization is an invasive test that involves inserting a catheter into the _____ and surrounding vessels.

Answer 3

heart

Question 4

What information is obtained from cardiac catheterization?

Answer 4

Structure and performance of the heart chambers and valves and the coronary circulation

Question 5

MRI is a noninvasive test that produces an image of the heart or great vessels through the interaction of _____ fields, radio waves, and atomic nuclei

Answer 5

magnetic

Question 6

What cardiovascular information would a MRI of the heart provide?

Answer 6

• Chamber size and thickness
• Valve and ventricular function
• Blood flow through teh great vessels and coronary arteries

Question 7

What noninvasive procedure is based on the principles of ultrasound and evaluates structural and functional changes in the heart?

Answer 7

Echocardiography

Question 8

Echocardiography is used to detected: valvular abnormalities, _____ heart defects, wall motion, _____ fraction, and cardiac function.

Answer 8

congenital; ejection