Cardiopulmonary Anatomy & Physiology: Essentials of Respiratory Care

725 Pages·2012·37.177 MB·English

by  Terry Des Jardins

Essential Equations
C 2
HAPTER Ventilation
Transairway pressure: P 5 P 2 P Laplace’s law—two liquid-gas interfaces: P 5 _4_ S_ T_
ta m alv r
Transmural pressure: Ptm 5 Piaw 2 Poaw Poiseuille’s law for flow: V. 5 _P8_rl4_(cid:3) (cid:2)_
Transpulmonary pressure: P 5 P 2 P .
tp alv pl Poiseuille’s law for pressure: P 5 _ V _8_l(cid:3)_
Transthoracic pressure: P 5 P 2 P r4 (cid:2)
tt alv bs
Airway resistance: R 5 _D_.P_
Lung compliance: C 5 _D_V_ aw V
L DP Time constants: T (sec) 5 _D_P._ (_c_m _ _H_2_O _) 3 ___D_V_ _(L_)_ __
Elastance: _D_P_ C V (L/sec) DP (cm H2O)
DV (R ) (C)
aw L
Laplace’s law—one liquid-gas interface: P 5 _2_ S_ T_ Minute alveolar ventilation: V. 5 (V 2 V ) 3 breaths/min
r A T D
C 4
HAPTER The Diffusion of Pulmonary Gases
P 3 V
Boyle’s law (solving for volume): V 5 _1____ __1 Dalton’s law: Gas A 1 Gas B 5 Gas A 1 B
2 P
2
Boyle’s law (solving for pressure): P2 5 _P_1 _V3_2 _V_1 Ideal alveolar gas equation: PAO2 2 [PB 2 PH2O] FIO2 2 PaCO2 (1.25)
Charles’ law: V/T 5 V/T Fick’s law: V. gas < _A_D_(_P_1 _ 2__ P_2_)
1 1 2 2 T
Charles’ law (solving for volume): Henry’s law applied to solubility of CO and O :
2 2
V 5 _V_1 _3_ _T_2 _SS_oo_lul_ub_bi_li il_tity_y C_ O_O_2 5 _00_.0._52_94_24_ 5 _21_4_
2 T 2
1
Graham’s law in comparing diffusion rates for CO and O :
_______ 2 2
Gay-Lussac’s law: P1/T1 = P2/T2 _DD_ifi_ffuf_us_si_oi o_nn_ r _ra a_tte_e _f of_or_r C_ O_O_2 5 _ √ √__ G_ G__M_M___WW__ __ C __O_O__2__ 5 _√ √ ___ 34___24___ 5 _56_.._66_
2 2
Combining Graham’s and Henry’s laws for
diffusion of CO and O :
2 2
Gay-Lussac’s law (solving for pressure):
P 5 _P_1 _3_ _T_2 _DD_ifi_ffuf_us_si_oi o_nn_ r _ra a_tte_e _f of_or_r C_ O_O_2 5 _65_..6_6_ 3_3_ _ 0 0_..0_5_29_4_24_ 5 _21_0_
2 T 2
1
C 5
HAPTER The Anatomy and Physiology of the Circulatory System
Mean arterial blood pressure: MAP 5 _S_B_P__ 1__ _(2_ _ 3__ D__B_P__)
3
Cardiac output: CO = SV 3 HR
Blood pressure: BP = CO 3 SVR
Vascular resistance: _M__A_P_
CO
(continues on inside back cover)
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Cardiopulmonary
Anatomy & Physiology
Essentials of Respiratory Care
Sixth Edition
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To
Katherine, Alexander, Destinee, and Ashley
The Next Generation
Grandpa T
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Cardiopulmonary
Anatomy & Physiology
Essentials of
Respiratory Care
Sixth Edition
Terry Des Jardins, MEd, RRT
Professor Emeritus
Former Director
Department of Respiratory Care
Parkland College
Champaign, Illinois
Faculty/Staff Member
University of Illinois College of Medicine at Urbana-Champaign
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Essentials of Respiratory Care, Sixth Edition
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