Final answer:
Chest pain at night or at rest or use of illicit substances (methamphetamines, cocaine), 5-FU may indicate a serious underlying health condition. One possible cause of chest pain is angina, which is characterized by chest pain or pressure when the heart muscle cells do not receive enough oxygen due to inadequate blood flow.
Step-by-step explanation:
Chest pain at night or at rest or use of illicit substances (methamphetamines, cocaine), 5-FU may indicate a serious underlying health condition. One possible cause of chest pain is angina, which is characterized by chest pain or pressure when the heart muscle cells do not receive enough oxygen due to inadequate blood flow. Methamphetamines and cocaine, as well as a chemotherapy drug called 5-FU, can all potentially cause chest pain.
In the case of Patient B, their symptoms of weight loss, profuse sweating, increased heart rate, and difficulty sleeping could be related to the use of illicit substances or a medical condition. It is important for them to seek medical attention to determine the cause of their symptoms and receive appropriate treatment.