Stressing Out
The dose for Regadenoson
What is 0.4mL in 5 mL
What is a A2a Receptor
Name 3 non-F18 PET cardiac tracers
What is Rb-82, O-15, and N-13
The energy and half life of Tl 201
What is 73hrs and 167keV
Performed immed after the resting Rb scan
What is a transmission CT
The dose for Dipyridamole
What is 0.56 mg/kg over 4 min
The length of an adenosine injection
What is 6 minutes
Views taken for a planar MP
What is a ANT, LLAT, and LAO image
The property of Tl that allows for a single dose for rest and stress
What is Redistribution
3-4hrs post stress
The delay time between N-13 injections
What is 1 hour
The receptor that Dobutamine acts on
What is a beta receptor.
DoBETAmine works on BETA receptors
The time a radiopharmaceutical should be injected during an adenosine infusion
What is 3 minutes
Advantage of PET cardiac imaging
What is a higher resolution
Indicated by a fixed defect in rest and stress
What is chronic ischemia, hibernating myocardium, or scarred tissue
An elevated lung:heart ratio indicates
What is a poor prognosis
The stress agent with the longest plasma half life
What is Dipridamole (Perstantine)
Perstantine persists
The volume for an adenosine injection
What is mL = 0.28 x total body weight (kg)
Indications for termination of exercise
What are Angina, fatigue, ST changes, blood pressure changes, patient request
Pants falling down (per west allas)
Performed when a fixed defect in seen in a stress and delay scan
What is a 24hr delay image (or resting scan)
The duke treadmill score evaluates?
What is a risk assessment of Coronary heart disease in a patient with chest pain undergoing a treadmill stress test
The length of time between dobutamine dose increases
What is 3 min
10,20,30,40 ug/kg/min
The calculation for adenosine infusion rate
What is .140 (mg/kg/min) x Total body weight (kg) / Adenosine Concentration (3mg/mL)
The cardiac tracer used to evaluate heart failure and cardiac dyssynchrony
What is I-123 MIBG
The disadvantage of using a Tl-Tc dual-isotope protocol
What is increasing the patient dose
Describe the perfusion defect scoring system
What is 0-5 with 0 being normal and 5 lacking any tracer uptake