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...
Stroke volume is regulated by: 1. Preload. 2. Contractility of the individual ventricular muscle fibers. 3. Afterload or the pressure that must be exceeded before ejection of blood from the ventricles can occur.