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.
The nurse recorded the patient's temperature in the daily chart.
彼女は入院中、病床日誌をつけて日々の思いを綴った。
While hospitalized, she kept a sickbed diary and wrote down her daily thoughts.