What is an indicator of a weak pulse in a terminally ill patient?

A weak pulse in a terminally ill patient can be indicated by changes in blood pressure. When the cardiovascular system is failing, it can lead to a decrease in blood flow and a corresponding drop in blood pressure. This drop can result from poor circulation due to the body's decreased ability to maintain blood volume or efficiency in pumping blood. As the condition progresses, you may observe a drop in the strength of the pulse, which is a direct reflection of changes in blood pressure.

While temperature fluctuations, weakness in extremities, and difficulty in respiration can be symptoms and signs associated with a terminally ill patient, they do not serve as direct indicators of pulse strength. Temperature changes may indicate infection or other systemic issues, weakness might be due to various factors including malnutrition or overall decline in health, and respiratory difficulties could stem from numerous causes, including lung conditions or fluid in the lungs. However, these signs do not specifically relate to the strength of the pulse in the same way that blood pressure changes do.