Kreatinin klirensi nefro (2023)

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OSCE SEPTEMBER 2023

Last updated 2:02 PM on 6/2/26
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9 Terms

1
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Rumus creatinine clearance?

CrCl = UCr × V / PCr. UCr = kreatinin urin, V = laju alir urin mL/menit, PCr = kreatinin serum.

2
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Cara menghitung V urin 24 jam?

V = volume urin / 1440 menit. Pada soal: 3000 mL / 1440 = 2,08 mL/menit.

3
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Rumus koreksi CrCl terhadap BSA 1,73 m²?

CrCl terkoreksi = CrCl × 1,73 / BSA pasien.

4
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Prinsip pengambilan urin 24 jam?

Urin pertama dibuang, lalu semua urin dikumpulkan selama 24 jam, termasuk urin terakhir tepat di akhir periode.

5
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Dua metode pemeriksaan kreatinin?

Jaffe alkaline picrate dan metode enzimatik.

6
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Metode referensi klasik untuk GFR?

Inulin clearance. Inulin difiltrasi bebas, tidak direabsorpsi, tidak disekresikan, tidak dimetabolisme.

7
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8
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Kekurangan metode Jaffe?

Kurang spesifik; dapat terganggu oleh keton, glukosa tinggi, protein, bilirubin, hemolisis, sefalosporin.

9
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Alternatif marker eksogen untuk measured GFR?

Iohexol, iothalamate, 51Cr-EDTA, DTPA.