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Renal physiology, nephrology, electrolytes, acid base balance > Renal Investigations > Flashcards

Renal Investigations Flashcards

1
Q

Renal investigations

IVU is appropriate modality of investigation for

A
  1. Renal Colic
  2. Loin pain after high fluid intake
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2
Q

Renal Investigations gold standard

Gold standard test of upper urinary tract?

SBA

A

CT Urogram

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3
Q

Investigations gold standard

Gold standard investigation of ureteric stone?

SBA

A

Non contrast CTKUB

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4
Q

Renal investigations

Gold standard investigation for Renal Artery Stenosis?

SBA

A

Renal arteriography

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5
Q

Renal investigations

Investigation of choice for papillary necrosis?

SBA

A

CT urography or IVU

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6
Q

Renal investigations

Investigation of choice for Renal artery stenosis?

SBA

A

MR angiography

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7
Q

Renal investigations

Confirmatory test for Renal artery stenosis?

SBA

A

MR angiography

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8
Q

Investigation of choice

Investigation of choice for pregnant women with renal stone?

SBA

A

USG

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9
Q

Investigation of choice

Investigation of choice for detecting early diabetic nephropathy?

SBA

A

Albumin Creatinine Ratio (ACR)

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10
Q

Renal investigations

Confirmatory investigation for Renal cell carcinoma?

SBA

A

Biopsy

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11
Q

Investigation to asses integrity of collecting tubule following renal trauma?

SBA

A

Tripple phase CT scan with delayed phase

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12
Q

Investigations

To identify the source of bleeding following renal trauma?

SBA

A

Renal arteriography

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13
Q

Renal investigations

Investigation for antibody deposition in glomerulus?

SBA

A

Immunofluroscense on renal biopsy.

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14
Q

Renal investigations

Investigation need to differentiate AKI due to hypovolaemia from AKI due to tubular necrosis?

SBA

A

FENa+

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15
Q

Renal investigations

Method of detection of immunoglobulin light chain / Bance jones protein?

SBA

A

Immune electrophoresis

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16
Q

Investigation differentiate Acute & chronic renal failure

SBA

17
Q

Renal cell carcinoma investigation

SBA

A

Biopsy confirmatory

18
Q

What are assessed

Renal biopsy specimen assesment

A

Light microscopy
/ Electron microscopy
/ Immunohistological assessment

19
Q

Assesment

Radionuclide study

A
  • Tc-MAG-3 : Renal blood flow (Dynamic study)
  • Tc-DTPA : GFR (Dynamic study)
  • 51Cr EDTA : GFR (Dynamic study)
  • Tc-DMSA : Renal cortex (This is a sensitive method for demonstrating cortical scarring in reflux nephropathy) , assess relative function of kidney (Static study)
  • Tc-MDP : Bone metastasis in prostate cancer (Static study)
20
Q

Abnormal findings

Urine microscopy

A

Dysmorphic RBC & Red cell cast : Glomerulonephritis
White cell cast : A. pyelonephritis
Leucocyte & nitrates : Renal tract infection
Intact erythrocyte : Lower urinary tract bleeding
Dysmorphic erythrocyte: Glomerular inflammation

Renal physiology, nephrology, electrolytes, acid base balance (4 decks)

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