What are the signs of hemodynamic alterations?

The correct choice indicates that signs of hemodynamic alterations include decreased blood pressure and urine output. Hemodynamic alterations often signify inadequate circulation or perfusion, which can stem from various conditions, including shock, heart failure, or significant blood loss.

When blood pressure drops, it indicates that the heart may not be effectively pumping blood or that there is decreased blood volume. This drop in blood pressure can further lead to a reduction in kidney perfusion, resulting in decreased urine output as the body attempts to conserve fluid in response to perceived low blood volume.

These changes are crucial to recognize since they can indicate a patient in distress and may prompt further diagnostic and therapeutic interventions to stabilize their hemodynamic status. In contrast, the other choices present signs that are generally associated with stable or adequate hemodynamic status, which do not reflect the critical alterations seen in a patient experiencing hemodynamic instability.