CCT exam prep
Ergometer - ANS-an apparatus that measures work or energy expended during a period
of physical exercise.
Treadmill - ANS-- Speeds ranging from 1 - 8 mph
- Incline ranging from 0%-20%
Indicatations of cardiovascular disease - ANS--Changes in the J-point & ST segment
-Mets < 6.5
-Duration < 6 minutes
-Low peak HR
-Maintaining a low systolic BP
-Severe ST depression
-Prolonged ST depression
Cardiolite - ANS--AKA radioactive technetium
-assesses the volume of blood pumped with each heartbeat
-labels the red blood cells
-ability to count the number of red blood cells that pass through each chamber over
several heartbeats
-side effects: swelling of face & tongue, hives, itching, headache, CP, and nausea
Bicycle Erogmeter - ANS--used for pts with orthopedic, vascular, or neurological
limitations
-need the ability to be adjusted manually or electronically
most; least - ANS--Upsloping ST that does not return to baseline in 80 milliseconds
beyond the J-point: ________ severe
-Downsloping ST: _________ severe & 99% dependable for predicting CAD
Dobutamine Stress Test - ANS--adrenergic agonist
-stimulates the beta-1 receptors in the cardiovascular system
-increases BP & HR which increases the workload
-may lead to arrhythmias, SOB, headache, low BP, CP, or tremors
-Beta-blockers can reverse the side effects
normal test findings - ANS--J point that is slightly depressed, sloping up into an ST
segment that returns to baseline within 80 milliseconds (.08) from the J-point
, Indicates myocardial ischemia - ANS--upsloping ST which doesn't return to baseline
within 80 milliseconds (.08)
-J point depression followed by a horizontal ST segment below baseline
-downward sloping ST segment
-J point & ST elevation
Indications for a pharmacological stress test - ANS--inability to exercise due to
orthopedic, neurological, circulator or respiratory conditions
-general debilitation
-presence of calcium channel blockers
Data for stress results - ANS--ECG results
-HR & BP response
-presence or absence of CV symptoms
-aerobic exercise capacity
-presence of symptoms
-percent of pt's max HR
MET - Metabolic Equivalent - ANS--a measure of exercise intensity based on oxygen
consumption
-1 is = the amount of o2 a person consumes per unit of body weight during 1 min of rest
Persantine Chemical Stress Test - ANS--aka dipyridamole
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