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...
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.