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