Pertanyaan
Pasien berumur 50 tahun mengalami penurunan tekanan darah (hipotensi) sehingga memerlukan norepinephrine injeksi . Dokter penyakit dalam yang merawat memberikan I dosis untuk pasien tsb adalah sebesar 0,4 mcg/kg/menit . Diketahui berat badan pasien tersebut adalah 60 kg. Berapa dosis norepinephrine injeksi yang dibutuhkan pasien tsb selama 1 jam? 50 mcg 1.440 mcq 81,6 mcg 800 mcg
Jawaban
1. Hitung dosis per menit:
* Dosis norepinephrine = 0.4 mcg/kg/menit
* Berat badan pasien = 60 kg
Dosis per menit = 0.4 mcg/kg/menit * 60 kg = 24 mcg/menit
2. Hitung dosis per jam:
* Dosis per menit = 24 mcg/menit
* Ada 60 menit dalam 1 jam
Dosis per jam = 24 mcg/menit * 60 menit/jam = 1440 mcg/jam
Kesimpulan:
Dosis norepinephrine injeksi yang dibutuhkan pasien selama 1 jam adalah 1440 mcg. Oleh karena itu, jawaban yang benar adalah 1.440 mcg.
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