Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings FISIOLOGI PEMBULUH DARAH PROGRAM STUDI ILMU KEPERAWATAN UNIVERSITAS ESA UNGGUL. PERTEMUAN 4
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Arteri: darah dari jantung Kuat & Elastis Mengalirkan darah ke kapiler Kapiler: pertukaran dengan sel Vena Membawa darah kembali ke jantung Katup SISTEM PEMBULUH DARAH DAN KARDIOVASKULER
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings SISTEM PEMBULUH DARAH DAN KARDIOVASKULER Figure 15-1: Functional model of the cardiovascular system
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Make Up of Bllod Vessels: Arteries and Arterioles Figure 15-2: Blood vessels
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Bypass capillaries Large cells Speed flow Metarterioles Figure 15-3: Metarterioles
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Blood Pressure: Berasal dari kontrasi ventrikel Figure 15-4: Elastic recoil in the arteries
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pulse pressure = Systolic–Diastolic Mean arterial pressure (MAP) = Diastolic + 1/3 pulse pressure More Blood Pressures: Pulse and Mean Arterial Pressures
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings More Blood Pressures: Pulse and Mean Arterial Pressures Figure 15-5: Pressure throughout the systemic circulation
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Faktor-faktor yang mengatur MAP Volume darah Cardiac output Resistansi Distribusi
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Faktor-faktor yang mengatur MAP Figure 15-10: Factors that influence mean arterial pressure
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Distribusi Darah pada Organ Tubuh Figure 15-13: Distribution of blood in the body at rest
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pertukaran Kapiler: Tekanan Osmotik Koloid yang Konstan Protein tetap berada di kapiler Airr, oxygen, glukosa – keluar CO 2, sampah nitrogen, air – masuk Aliran keluar dari bagian arteri, masuk pada venous
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Pertukaran Kapiler: Tekanan Osmotik Koloid yang Konstan Figure 15-18a: Fluid exchange at the capillary
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Net filtration – net absorption = net out flow About 2 L/day collected by lymph vessels Net Out Flow Into ECF Figure 15-18b: Fluid exchange at the capillary
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Regulasi Tekanan Darah Pusat Kontrol Jantung di Medula Refleks Baroreceptor Carotid Aortic Ginjal: volume darah Hypothalamus & Corteks: stress, “blushing”, dll.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Regulasi Tekanan Darah Figure 15-22: The baroreceptor reflex: the response to increased blood pressure