Medicine. After bypass surgery, patients are placed in an intensive care unit (ICU) until their condition stabilizes. Then they are transferred to a cardiac care ward (CCW), where they remain until they are released from the hospi- tal. In a particular metropolitan area, a study of hospital records produced the following data: each day 2% of the patients in the ICU died, 52% were transferred to the CCW, and the remainder stayed in the ICU. Furthermore, each day 4% of the patients in the CCW developed complica- tions and were returned to the ICU, 1% died while in the CCW, 22% were released from the hospital, and the re- mainder stayed in the CCW. (A) In the long run, what percentage of the patients in the ICU are released from the hospital? (B) In the long run, what percentage of the patients in the CCW die without ever being released from the hospital? (C) What is the average number of days that a patient in the ICU will stay in the hospital?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Medicine. After bypass surgery, patients are placed in an
intensive care unit (ICU) until their condition stabilizes.
Then they are transferred to a cardiac care ward (CCW),
where they remain until they are released from the hospi-
tal. In a particular metropolitan area, a study of hospital
records produced the following data: each day 2% of the
patients in the ICU died, 52% were transferred to the CCW,
and the remainder stayed in the ICU. Furthermore, each
day 4% of the patients in the CCW developed complica-
tions and were returned to the ICU, 1% died while in the
CCW, 22% were released from the hospital, and the re-
mainder stayed in the CCW.
(A) In the long run, what percentage of the patients in the
ICU are released from the hospital?
(B) In the long run, what percentage of the patients in the CCW
die without ever being released from the hospital?
(C) What is the average number of days that a patient in the
ICU will stay in the hospital?
Transcribed Image Text:Medicine. After bypass surgery, patients are placed in an intensive care unit (ICU) until their condition stabilizes. Then they are transferred to a cardiac care ward (CCW), where they remain until they are released from the hospi- tal. In a particular metropolitan area, a study of hospital records produced the following data: each day 2% of the patients in the ICU died, 52% were transferred to the CCW, and the remainder stayed in the ICU. Furthermore, each day 4% of the patients in the CCW developed complica- tions and were returned to the ICU, 1% died while in the CCW, 22% were released from the hospital, and the re- mainder stayed in the CCW. (A) In the long run, what percentage of the patients in the ICU are released from the hospital? (B) In the long run, what percentage of the patients in the CCW die without ever being released from the hospital? (C) What is the average number of days that a patient in the ICU will stay in the hospital?
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