Neutropenic precautions are a structured bundle of infection prevention measures implemented when a patient's absolute neutrophil count (ANC) falls below 1.0 × 10⁹/L, and intensified when ANC drops below 0.5 × 10⁹/L (severe neutropenia). The life-threatening consequence of missing or inadequately implementing these precautions is neutropenic fever — defined as a single oral temperature ≥38.3°C (101°F) or a sustained temperature ≥38.0°C (100.4°F) for ≥1 hour in a neutropenic patient — which carries a mortality of up to 10–20% in high-risk patients and requires emergency empiric broad-spectrum antibiotics within 60 minutes of fever onset. Neutropenia most commonly results from myelosuppressive chemotherapy, with the nadir (lowest ANC point) typically occurring 7–14 days post-treatment depending on the regimen. The duration of neutropenia is the strongest predictor of infection risk: >7 days of ANC <0.5 × 10⁹/L is classified as high risk for life-threatening infection. Top 3 nursing priorities: 1. Calculate or verify the ANC daily, identify the nadir window, and implement/escalate precautions before the patient becomes symptomatic 2. Treat any fever in a neutropenic patient as a medical emergency — obtain blood cultures...