What vital sign abnormality may indicate sepsis in cancer patients?

In cancer patients, a decreased blood pressure is indeed a significant concern and can indicate sepsis. Sepsis is a systemic inflammatory response that can arise from an infection, which is especially critical in those with compromised immune systems, such as cancer patients undergoing chemotherapy. When sepsis occurs, the body's response can lead to vasodilation, causing blood vessels to widen and blood pressure to drop.

While increased heart rate can also be a sign of sepsis, it is typically a compensatory mechanism as the body attempts to maintain adequate perfusion despite low blood pressure. High body temperature is commonly associated with infections but is not a definitive vital sign abnormality for sepsis, as some patients may present with normal or even low temperatures. Likewise, a low respiratory rate does not align with sepsis; patients are more likely to exhibit tachypnea (increased respiratory rate) in the context of an infection.

Understanding these vital sign abnormalities is crucial for timely identification and intervention in cancer patients who may be experiencing sepsis.