noun
patient's daily record; sickbed diary
Refers to a day-by-day log of a patient's condition kept by medical staff, or a personal diary written while confined to bed by illness. Context usually makes the meaning clear.
看護師は病床日誌に患者の体温を記録した。
The nurse recorded the patient's temperature in the daily chart.
彼
While hospitalized, she kept a sickbed diary and wrote down her daily thoughts.