Renal Transplant Flashcards
RP
Dose
o Tc99m MAG3: 3-8 mCi
Boil for 10 minutes
Stable for 6 hours
Indications
Evaluate renal function
Evaluate renal transplant
Evaluate: flow, function, obstruction
Contraindications
Iodine contrast study on the same day
Patient still on ACE inhibitors
Patient still on angiotensin receptor blockers
Patient Prep
DC ACE inhibitors 3-7 days
Well hydrated
Peds must be cathed and may require saline drip)
Drink at least 2 glasses of water prior to exam
NPO 4 hours
Check creatinine and BUN levels
Positioning
Supine arms at side
Camera ANT
“place hand over scar”
Target Organ
Critical Organ
Method of Localization
Route or Excretion
Target Organ - Kidney
Critical Organ – Kidney/ bladder
Method of Localization: Compartmentalization
Route of Excretion – Urinary tract
Procedure
Phase 1: flow - 1-2 sec/ frame for 1 minute
Phase 2: function - 20-40 sec/frame for 20-30 minutes
Post Void Statics
Computer Set Up
LEHR
Renogram Analysis
Flow: 64x64
Function: 128x128
Normal
Visualize both kidneys at the same time
Activity in each kidney should be 50%
Peak concentration is 2-4 minutes post injection
Clearance t½ is 8-12 minutes
RP
Dose
o Tc99m MAG3: 3-8 mCi
Boil for 10 minutes
Stable for 6 hours
Abnormal
Indications
Evaluate renal function
Evaluate renal transplant
Evaluate: flow, function, obstruction
Contraindications
Iodine contrast study on the same day
Patient still on ACE inhibitors
Patient still on angiotensin receptor blockers
Patient Prep
DC ACE inhibitors 3-7 days
Well hydrated
Peds must be cathed and may require saline drip)
Drink at least 2 glasses of water prior to exam
NPO 4 hours
Check creatinine and BUN levels
Positioning
Supine arms at side
Camera ANT
“place hand over scar”
