Laboratory Evaluation

The selection of particular laboratory tests emerges from diagnostic needs suggested by the history and by the findings of mental status examination and physical examination. Fluid and electrolyte disorders are common in elderly patients. Hypoglycemia can precipitate aggressive or agitated behavior, and an elevated white blood cell count may signify infection in patients with acute changes in mental status. Tests that can be helpful when a patient presents with agitation are listed in Table 281-3.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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