22 一般對心衰竭（heart failure）患者而言，carvedilol 的每日最高劑量（target dose）為50 mg，至於其起始劑量（initial dose）則該如何建議？
(A) 3.125 mg bid
(B) 25 mg qd
(C) 25 mg bid
(D) 50 mg qd

Beta blocker 治療心衰竭起始劑量大概是目標劑量的1/8

Usual Adult Dose for Congestive Heart Failure

Immediate-release tablets:

-Initial dose: 3.125 mg orally twice a day for 2 weeks

-Titration: If tolerated, increase dosage to 6.25, 12.5, and 25 mg orally twice a day over successive intervals of at least 2 weeks

-Maximum dose: 25 mg orally twice a day in patients weighing 85 kg or less and 50 mg orally twice a day in patients weighing 85 kg or greater

Extended-release capsules:

-Initial dose: 10 mg orally once a day for 2 weeks

-Titration: If tolerated, increase dosage to 20 mg, 40 mg, and 80 mg orally once a day over successive intervals of at least 2 weeks

-Maximum dose: 80 mg orally once a day

23 使用 Beta blocker 治療心臟衰竭時，須由低劑量緩慢增加劑量至目標劑量（target dose），一般而言，起始劑量（initial dose）約為目標劑量之： 

(A) 1/10 - 1/20 

(B) 1/2 - 1/4 (C) 1/4 - 1/8 (D) 1/32 - 1/64 . 
專技 - 藥物治療學- 100 年 - 100年第二次專技高考醫事人員藥物治療學更正#9921
答案：A,C