The patient became severely. confused, agitated and combative approximately 12 hours after the first dose of. levofloxacin. The patientâs oxygen saturations were within normal limits, electrolytes. within normal limits, and no other cause for his change in mental status was apparent.
Common heart disorders can increase your risk for stroke. For example, coronary artery disease increases your risk for stroke, because plaque builds up in the arteries and blocks the flow of oxygen-rich blood to the brain.
1 Both of these responses increase the flow of blood into the arteries and increase blood pressure.  The veins can expand and narrow. When veins expand, more blood can be stored in the veins and less blood returns to the heart for pumping into the arteries.