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Flashcards in Dx Tests Deck (12)
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1
Q

Chest Xray: will reveal abnormalities of ____ fluid, overall cardiac _____ and _____, and aneurysm

A

Lung

Shape and size

2
Q

Myocardial perfusion imaging:

Used to Dx and evaluate ______ heart disease, or ____

A

Ischemic

MI

3
Q

Myocardial perfusion imaging:

What is injected into blood via IV?

A

Thallium 201

4
Q

Myocardial perfusion imaging:

Radioisotopes concentrate in ______ tissue

A

NORMAL

They do not concentrate in ischemic or infarcted tissues (cold spots)

5
Q

Myocardial perfusion imaging:

Used to ID myocardial _____ _____, areas of stress induced ischemia (____ ____), and ___ infarcts

A

Blood flow
Exercise test
Old

6
Q

Myocardial perfusion imaging:
Thallium stress test: used with ____ or ____ ergometer
When is it injected?

A

TM or bike

At peak exercise

7
Q

PET: uses radioactive marker ______________

A

18 F Fluorodeoxyglucose

8
Q

Echocardiogram: noninvasive test that uses ________ to assess internal structures: size of chambers, wall _______, _____ ___, movement of valves, septum, and abn wall movement

A

US
Thickness
Ejection fraction

9
Q

Cardiac cath: passage of a tiny tube from ______ or _____ artery through aorta into blood vessels with introduction of a _____ ______ into coronary artery and subsequent x-ray

A

Brachial or femoral

Contrast medium

10
Q

Cardiac cath: allows determination of _____ ____

A

Ejection fraction

11
Q

Central line (swan ganz): catheter inserted throughout vessels into ____ side of heart

What 3 things does it measure?

A

Right

Central venous pressure
Pulmonary artery pressure
Pulmonary capillary wedge pressure

12
Q

LAB TESTS: rise and fall of cardiac ________ (I or T) >99th percentile is the primary measure of MI. It must accompany 5 things

A

Troponin

  1. Symptoms of ischemia
  2. New or presumed new ST changes on ECG
  3. Development of pathological Q waves on ECG
  4. New loss of viable myocardium and or new wall motion abnormality on imaging
  5. Evidence of CK or CPK with concomitant elevation of CK-MB can also be assessed, but peaks btw 12-24 hrs