Chempath 18: Assessment Of Renal Function 1 Flashcards

1
Q

What is considered the best measure of Kidney function ?

A

GFR

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2
Q

List 3 criterias that need to be fulfilled for a marker of clearance to be an accurate representation of GFR ?

A
  • The marker is not bound to serum proteins
  • The marker is freely filtered by the glomerulus
  • The marker is not secreted or reabsorbed by tubular cells
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3
Q

Name an endogenous markers that is measured clinically to estimate GFR ?

A

Creatinine

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4
Q

Apart from haematuria what else can cause a +ve dipstick result for blood ?

A

Myoglobinuria

Seen in rhabdomyolysis

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5
Q

What does the measure SG tell you on the urine dipstick ?

A

Specific gravity

Its a measure of urine concentration

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6
Q

Which marker of multiple myeloma can be detected in the urine ?

A

Bence jones proteins

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7
Q

A 50 year old, known alcoholic, presents generally unwell, seemingly intoxicated, with acute kidney injury. Urine microscopy reveals calcium oxalate Chrystals. What is the diagnosis?

A

Ethylene glycol poisoning (anti-freeze)

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8
Q

List 4 different methods of imaging the renal/urological system ?

A

Ultrasound KUB
IV Urogram (paediatrics looking for anatomical defects)
CT KUB
MRI KUB

KUB = kidney ureter bladder

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9
Q

Which mode of imaging is considered gold standard for identification of kidney stones ?

A

CT KUB

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