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CCT TEST QUESTIONS WITH CORRECT ANSWERS
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CCT TEST QUESTIONS WITHCORRECT ANSWERS
An ergometer is a device that measures the amount of work or energy expended
during physical exercise.
Treadmill - ANSWER: Speeds range from 1 to 8 mph.
- Incline ranges from 0% to 20%
Changes in the J-point and ST segment are indicative of cardiovascular disease.
-Mets < 6.5
- Duration: < 6 minutes
-Low peak HR.
- Maintaining low systolic blood pressure.
-Severe ST Depression
-Prolonged ST depression.
Cardiolite - AKA radioactive technetium.
-measures the amount of blood pumped with each heartbeat.
- designates red blood cells.
-Capable of counting the number of red blood cells that pass through each chamber
across multiple heartbeats.
- Side effects include swelling of the face and tongue, hives, itching, headache, CP,
and nausea.
,Bicycle Erogmeter - ANSWER - Used for patients with orthopedic, vascular, or
neurological impairments.
-Requires manual or electronic adjustment.
Most; least. - ANSWER: Upsloping ST that does not return to baseline in 80
milliseconds beyond the J-point. _______ severe.
-Downsloping ST: Very severe, 99% reliable for predicting CAD.
Dobutamine Stress Test - ANSWER: adrenergic agonist
- activates beta-1 receptors in the cardiovascular system.
-increases blood pressure and heart rate, increasing the workload.
-may cause arrhythmias, SOB, headache, low BP, CP, or tremors.
-Beta-blockers can reverse the adverse effects.
typical test results - ANSWER - J point that is slightly depressed, sloping up into a
ST segment that returns to baseline within 80 milliseconds (.08) of the J-point
Myocardial ischemia is indicated by an upward-sloping ST that does not recover to
baseline within 80 milliseconds (.08).
-J point depression followed by a horizontal ST segment below the baseline.
- downward sloping ST section
-J Point and ST Elevation
Indications for a pharmacological stress test: Inability to exercise due to orthopedic,
neurological, circulatory, or respiratory disorders.
, - general debilitation
-The presence of calcium channel blockers
Data for stress results: ANSWER - ECG results
- Heart rate and blood pressure ANSWER
-the existence or absence of cardiovascular symptoms.
-Aerobic exercise capability
-The presence of symptoms
-percentage of the patient's maximum HR
MET - Metabolic Equivalent - Answer: a measure of exercise intensity based on
oxygen consumption.
-1 is equal to the quantity of oxygen consumed per unit of body weight during one
minute of rest.
Non-coronary causes of ST depression. - Answer: harsh. HTN
- significant aortic stenosis.
-cardiomyopathy
-anemia
-hypokalemia
-Severe hypoxia
-digitalis
-sudden extreme workout.
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