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.
Stroke volume increases during exercise because the body's demand for more oxygen-filled blood increases, and an increase in stroke volume, due to contractions that are more powerful, will help eject...
There are three ways in which carotid stenosis increases the risk of stroke: 1  Plaque deposits can grow larger and larger, severely narrowing the artery and reducing blood flow to the brain.  Plaque deposits can roughen and deform the artery wall, causing blood clots to form and blocking blood flow to the brain (Fig. 2B).