Respuesta :

The most common cause of morbidity and mortality with a subarachnoid hemorrhage (SAH) is option 2) Aneurysm rupture.

Here's an explanation of each choice:

1) Hypertension: High blood pressure can contribute to the risk of developing a SAH, but aneurysm rupture is the primary cause of morbidity and mortality associated with SAH.

2) Aneurysm rupture: An aneurysm is a weakened or bulging spot in a blood vessel. When an aneurysm ruptures in the brain, it leads to bleeding into the subarachnoid space, causing a SAH. The sudden release of blood can be life-threatening and can result in neurological deficits and even death.

3) Trauma: While trauma can cause bleeding in the brain and potentially lead to a SAH, it is not the most common cause. Aneurysm rupture is a more frequent cause of SAH.

4) Infection: Infection is not a common cause of SAH. Aneurysm rupture is the primary cause.

In summary, while factors such as hypertension and trauma can contribute to the risk of developing a subarachnoid hemorrhage, the most common cause of morbidity and mortality in SAH cases is option 2) Aneurysm rupture.