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52 Cards in this Set

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  • Back
Which RPs are used for GFR studies?
DTPA & GH
Which RP's are used for ERPF?
Mag3 & OIH
What is the dose for DPTA?
10-20 mCi
What is the dose for DMSA?
1-5 mCi
What is the dose for Mag3?
5-10 mCi
What is the dose for OIH?
.4-.1 mCi
What is the dose for GH?
10-20 mCi
Which RPs are used for ACE inhibitor study?
Mag3
OIH (rare)
Which kidney is higher?
Left
Compared to the spine what is the top and bottom levels of the kidneys?
T12-L3
What is a horseshoe kidney?
Conjoined bottom of both kidneys
What is a mobile kidney called?
ptotic
Where is a transplanted kidney usually seen?
Anterior pelvis
Which views are taken for kidney exam?
POST
4 functions of the kidney
1. excretion of wastes
2. rebsorb minerals
3. maintain acid-base balance
4. maintain fluid balance
How much of the cardiac output goes to the kidneys?
20-25%
What % blood volume is plasma?
50%
?ml/min is normal ERPF?GFR?
600 ml/min
120ml/min
Outer part of kidney?
Cortex
Basic funcitional unit of kidney?
Nephron
Major dertermining filtration factor?
molecular size
TAC peak transit time?
half peak transit time?
peak- 3-5min
half peak- 7-15 min
Dilated vs. obstructed renal system test is a ? test?
Whitaker test
3 causes of treatable renal failure
1. dehydration
2. infection
3. obstruction
Amount of plasma filtered by the glomeruli is called? What is a normal amount?
Filtration fraction
20%
Is filtration in the kidneys active or passive?
Passive
Name 2 categories of RPs and give an example
1. Funcitonal agents
MAG3, DTPA
2. Morphological
GH, DMSA
Which RP is more stable GH or DMSA?
GH, DMSA must be given ASAP
What is normal urine output in 24hrs?
1000-1500ml
Another name for Mag3?
Mertiatide
Another name for OIH?
Hippurate
Another name for DMSA?
Succimer
What is Mag3 good for?
Renal flow and function
What is DTPA good for?
GFR, kidney Fxn, obstructions
WHat is DMSA good for?
Renal parenchyma
Cortical imaging
What is GH good for?
Renal perfusion
Cortex imaging (2hr delay)
Another name for lasix?
Furosemide
What is the dose for lasix and when is it given?
40mg, 15min after injection
What drug is useful in determining obstructions?
Lasix
What is peds dosage for lasix?
1mg/kg up to 40mg
Effects of lasix begin when and max effect is at?
3-5min,
15min
What are the 3 phases of a renography? At what times are they seen?
Vascular- 60s
Secretory- 1-5min
Excretory- 7-15min
Split renal fxn? normal, abnormal values
Normal 50% each kidney
>10% deviation abnormal
Differential retention after 15 min, what is considered abnormal?
15% deviation
20 min max count rate- do you compare each kidney or take the values seperatly?
Seperate valures, greater the % = less renal fxn
What is ERPF? Effective renal plasma flow
rate that para-amino hippurate is filtered by the tubules
What is GFR? Glomerular filtration rate
measures rate that insulin is filtered by blood
Pre and post injection syringe counts are done with which exams?
ERPF and GFR
Dose for Captopril?
25-50mg tablet
Dose for enalaprilat?
40mcg/kg max 2.5mg
Time you must wait for captopril? For enalaprilat?
C-60min
E-10min
Another name for enalaprilat?
Vasotec