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C=k0(1-e-kt)/VK logC’=(-k/2.303)t’+log(k0/VK) logC’=(-k/2.303)t’+log[k0(1-e-kt)/VK] logC(-k/2.303)t+logC0 logX=(-k/2.303)t+logX0
单室模型静脉注射给药,1gC对t作图,得到直线的斜率为负值 单室模型静脉滴注给药,在滴注开始时可以静注一个负荷剂量,使血药浓度迅速达到或接近稳态浓度 单室模型口服给药,在血药浓度达峰瞬间,吸收速度等于消除速度 多剂量给药、血药浓度波动与药物半衰期,给药间隔时间有关 多剂量给药、相同给药间隔下、半衰期短的药物容易蓄积
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
C=K0(1-e-kt)/VK logC’=(-K/2.303)t’+log(K0/VK) logC’=(-K/2.303)t’+log(K0(1-e-KT)/VK) logC=(-K/2.303)t+logC0 logX=(-K/2.303)t+logX0
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-Kt)/KV
单室模型 双室模型 静脉注射给药 等剂量、等间隔 血管内给药 静脉滴注给药
C=K0(1-e-kt)/VK logC’=(-K/2.303)t’+log(K0/VK) logC’=(-K/2.303)t’+log(K0(1-e-kt)/VK) logC=(-K/2.303)t+logC0 logX=(-K/2.303)t+logX0
logX=(-K/2.303)t+logX0 logC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) logC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-KT)/KV
单室模型 双室模型 静脉注射给药 等剂量、等间隔 血管内给药
C=K0(1-e-kt)/VK logC’=(-K/2.303)t’+log(K0/VK) logC’=(-K/2.303)t’+log(K0(1-e-KT)/VK) logC=(-K/2.303)t+logC0 logX=(-K/2.303)t+logX0
logX=(-K/2.303)t+logX0 logC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) logC′=(-K/2.303)t′+log[K0(1-e-KT)/VK] C=K0(1-e-KT)/KV
单室模型 双室模型 静脉注射给药 等剂量、等间隔 血管内给药
logX=(-K/2.303)t+logX0 10gC=(-K/2.303)t+logC0 logC′=(-K/2.303)t′+log(K0/VK) 10gC′=(-K/2.303)t′+log[K0(1-e-Kt)/VK] C=K0(1-e-Kt)/KV
C=K0(1-e-kt)/VK logC’=(-K/2.303)t’+log(K0/VK) logC’=(-K/2.303)t’+log(K0(1-e-kt)/VK) logC=(-K/2.303)t+logC0 logX=(-K/2.303)t+logX0