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M6 13-005

Exam 4: Cardiovascular System Diagnostic Tests

Chest Radiographic Illustrates heart size, shape and position. Outline of shadows and lung abnormalities are shown.
Fluoroscopy A motion radiograph, allows observation of movement
Angiogram A series of radiographs taken after injection of radiopaque dye into an artery. Helpful in Dx of occlusion, aneurysm and other congenital arterial abnormalities.
Cardiac Catheterization used to visualize the heart (chambers, valves), great vessels and coronary arteries.
Cardiac Catheterization (uses) Dx of cardiac pathology, Measure pressures w/i heart, cardiac competence, Valvular defects. Visualization of Coronary Blockage (Angiography)
Electrocardiogram (ECG/EKG) A graphic study of the electrical activities of the heart.
Ambulatory ECG or Halter Monitor Used for outpatient monitoring. (Periods of 12, 24, 48 hours). Pts w/ cardiac disease and normal ECG. Pt keeps diary of symptoms.
Heart Monitor Used to continually monitor electrical activity of patients who have dysrhythmias.
Exercise/Stress Test Conducted in a laboratory setting, used to test cardiac function during exertion
Thallium Scanning radioisotope thallium is injected intravenously to assess circulation using a scanning camera
Echocardiography An ultrasound directed at the heart and is used to show size, shape, motion and ejection fraction (cardiac output)
Complete Blood Count (CBC) WBC, differential, platelets (PLT), hemoglobin (Hgb), and hematocrit (Hct)
Coagulation studies used to monitor patients receiving anticoagulation drug therapy (MI, A-Fib). Includes PT, PTT, INR
Serum Cardiac Marker (Cardiac Enzymes) Proteins released in blood due to necrotic heart muscles after an MI.
Serum Cardiac Marker (Cardiac Enzymes) Creatine Kinase (CK), Creatine Phosphoskinase (CK-MB), Tpoponin I
Troponin I MOST specific cardiac marker (Considered gold standard of cardiac enzymes)
Created by: jtzuetrong