A 72-year-old patient is brought to the emergency department…
A 72-year-old patient is brought to the emergency department after vomiting blood for several hours. The patient appears pale and anxious. Vital signs: BP: 78/48 mmHg HR: 132 bpm RR: 26/min SpO₂: 93% on room air Capillary refill: >3 seconds The provider suspects hypovolemic shock. Which clinical finding best supports this diagnosis?