Final answer:
Patient instruction about drugs and discharge planning should begin as soon as possible.
Step-by-step explanation:
When caring for a patient hospitalized with chest pain, patient instruction about drugs and discharge planning should begin as soon as possible. It is essential to start educating the patient early to ensure a smooth transition from hospital to home. By providing instructions early on, the patient has ample time to understand the medications they need to take, any lifestyle changes required, and what to expect during the discharge process.