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Fisiologi Ginjal & System urinary

Fisiologi Ginjal & System urinary. dr. Bambang Purwanto, M.Kes. Anatomi system urinary. Ginjal. Nefron & peritubular vasa. Filtrasi, reabsorbsi, sekresi. DARAH. FILTRASI di Glomerulus. FILTRAT. Reabsorbsi Di tubulus. Bermanfaat. Dibuang. Bahan tambahan. Sekresi Di Tubulus. GINJAL.

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Fisiologi Ginjal & System urinary

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  1. Fisiologi Ginjal & System urinary dr. Bambang Purwanto, M.Kes

  2. Anatomi system urinary

  3. Ginjal

  4. Nefron & peritubular vasa

  5. Filtrasi, reabsorbsi, sekresi

  6. DARAH FILTRASI di Glomerulus FILTRAT Reabsorbsi Di tubulus Bermanfaat Dibuang Bahan tambahan Sekresi Di Tubulus GINJAL URIN

  7. Pembentukan urine • E = F – R + S • . E : ekskresi • . F : filtrasi • . R : reabsorpsi • . S : sekresi

  8. Glomerulus GFR: Kecepatan filtrasi glomerulus

  9. Regulasi GFR Cafeine  vasodilatasi aferent  Aliran aferent  GFR   diuresis GFR bergantung pada : 1. tekanan arteri 2. aliran aferent 3. aliran eferent

  10. Reabsorpsi & sekresi tubulus Furosemide

  11. Reabsorpsi & sekresi tubulus Thiazide

  12. Reabsorpsi & sekresi tubulus

  13. Miksi

  14. Refleks miksi

  15. Beser (ngompol) • Sfingter urethra eksterna  otot rangka  kendalikan BAK • Sfingter urethra eksterna tak mampu berkontraksi  tak mampu tahan BAK • Penyebab : trauma tulang belakang, jatuh terduduk • Terapi : latihan fisioterapi

  16. Creatinin & Gagal ginjal • Clearance creatinin & kadar creatinin darah merupakan indikator fungsi ginjal • Clearance creatinin ↓ : fungsi filtrasi ↓  kadar creatinin darah  • Kadar creatinin darah  & clearance creatinin ↓  Dx : gagal ginjal • Penyebab gagal ginjal : aliran glomerulus↓ misal : batu ginjal & shock

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