Chp 3- Diagnostic Tests

Question 1

What is myocardial perfusion imaging used to diagnose?

Answer 1

• ischemic heart disease

- myocardial infarction

Question 2

What is an echocardiogram?

Answer 2

Noninvasive test that uses Ultrasound to assess internal structures

Question 3

What is cardiac catherization and what is it used to diagnose?

Answer 3

• tiny tube from brachial or femoral artery through aorta into blood vessels with introduction of a contrast medium into coronary Arteries and subsequent x-ray
• provides info about anatomy of heart and great vessels, ventricular and valve function, abnormal wall movements
• allows determination of ejection fraction

Question 4

What is a central line and what is it used for?

Answer 4

• catheter inserted through vessels into right side of the heart
• measures:
  1) central venous pressure
  2) pulmonary artery pressure
  3) pulmonary capillary wedge pressures