A male patient is confused and combative for no apparent reason. There are no life threats to his airway, breathing, or circulation, and his vital signs are pulse, 88; respirations, 16 breaths/min and adequate; blood pressure, 144/68 mmHg; and SpO2, 93% on room air. When addressing the patient's oxygenation status, which of these treatments would be appropriate?

A headache with altered mental status (AMS) can be a sign of infection, bleeding, or a tumor. Vomiting without diarrhea can indicate increased brain pressure. Dehydration can also cause AMS.  Some causes of AMS include: Brain bleed, Brain tumor, Hepatic encephalopathy, Obstructive hydrocephalus, Seizure, and Stroke.  A stroke, also known as a cerebrovascular accident (CVA) or brain attack, occurs when blood flow to the brain is blocked or a blood vessel in the brain bursts. This can cause lasting brain damage, long-term disability, or even death.  There are two main types of... Show more

A headache with altered mental status (AMS) can be a sign of infection, bleeding, or a tumor. Vomiting without diarrhea can indicate increased brain pressure. Dehydration can also cause AMS. 

Some causes of AMS include: Brain bleed, Brain tumor, Hepatic encephalopathy, Obstructive hydrocephalus, Seizure, and Stroke. 

A stroke, also known as a cerebrovascular accident (CVA) or brain attack, occurs when blood flow to the brain is blocked or a blood vessel in the brain bursts. This can cause lasting brain damage, long-term disability, or even death. 

There are two main types of stroke:
Ischemic: Caused by a lack of blood flow
Hemorrhagic: Caused by bleeding 

Some people may have a temporary disruption of blood flow to the brain, known as a transient ischemic attack (TIA). A TIA doesn't cause lasting symptoms. 

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