GFR CKD: Staging Flashcards

1
Q

GFR Range: G1

A

≥ 90 mL/min

Normal

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2
Q

GFR Range: G2

A

60-89 mL/min

Mildly decreased

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3
Q

GFR Range: G3a

A

45-59 mL/min

Mild –> moderately decreased

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4
Q

GFR Range: G3b

A

30-44 mL/min

Moderate-severely decreased

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5
Q

GFR Range: G4

A

15-29 mL/min

Severely decreased

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6
Q

GFR Range: G5

A
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7
Q

Albuminuria Categories: A1

A

ACR ≤ 30mg/g (≤ 3mg/mmol)

Normal

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8
Q

Albuminuria Categories: A3

A

ACR ≥300mg/g (>30mg/mmol)

Albuminuria

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9
Q

MDRD Limitations (6)

A
  1. ) Amputees
  2. ) Pediatrics
  3. ) Elderly
  4. ) Pregnancy
  5. ) Unstable kidney Fx
  6. ) Liver disease
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10
Q

Wt for C-G if BMI > 40?

A

Lean BW (kg)

= (9270)(Total BW) / [6680 + (216 * BMI)] FOR MEN
= (9270)(Total BW) / [8780 + (244 * BMI)] FOR WOMEN

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11
Q

Wt for C-G if BMI 30-40?

A

Adjusted BW (kg)

= Ideal BW + [0.4 * (Actual BW - Ideal BW)]

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12
Q

Ideal BW

A
Men = 50kg + (Ht > 60in * 2.303)
Women = 45kg + (Ht > 60in * 2.303)
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13
Q

Nephritic Kidney Disease: Diagnosis

A

Hematuria

Proteinuria (~1-3g/day)

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14
Q

C-G GFR Estimation

A

DRUG DOSING purposes

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15
Q

MDRD GFR Estimation

A

STAGING purposes

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16
Q

MDRD Limitations (6)

A
  1. ) Amputees
  2. ) Pediatrics
  3. ) Elderly
  4. ) Pregnancy
  5. ) Unstable kidney Fx
  6. ) Liver disease
17
Q

Wt for C-G if BMI > 40?

A

Lean BW

= (9270)(Total BW) / [6680 + (216 * BMI)] FOR MEN
= (9270)(Total BW) / [8780 + (244 * BMI)] FOR WOMEN

18
Q

Wt for C-G if BMI 30-40?

A

Adjusted BW

= Ideal BW + [0.4 * (Actual BW - Ideal BW)]

19
Q

Ideal BW

A
Men = 50kg + (Ht > 60in * 2.303)
Women = 45kg + (Ht > 60in * 2.303)
20
Q

Nephritic Kidney Disease: Diagnosis

A

Hematuria

Proteinuria (~1-3g/day)

21
Q

Nephrotic Kidney Disease: Diagnosis

A

EXTREME Proteinuria (>3g/day)

  • Edema
  • Hyperlipidemia
  • Hypercoaguable state
22
Q

When to use: Cockcroft-Gault Equation (CkG)

A

Dosing purposes

-may be inaccurate for low muscle mass (round to 1.0mg/mL for estimation purposes)

23
Q

When to use: MDRD

A

(online estimation tool)

24
Q

Imput factors for MDRD (website)

A
  1. ) Age
  2. ) Sex
  3. ) Race
  4. ) SrCr or Cystatin C