Satish R. Raj

This study tests different medications to see if they can control the rapid heartbeat and improve symptoms in people who have had dizziness or fainting when standing for more than 6 months. About 150 participants will try various drugs to find which works best. The goal is to mak…

This study looks at whether drinking water can help raise blood pressure in people with orthostatic hypotension (a condition where blood pressure drops when standing up). Researchers want to know if the blood pressure boost from water wears off if you drink a full glass just a fe…

This study explores how drinking 16 ounces of water changes blood pressure and heart function in people who have had a heart transplant. Researchers will measure blood vessel resistance and other vital signs after water intake. The goal is to understand the body's response, not t…

This study looks at whether drinking 16 ounces of water raises blood pressure more in the morning or afternoon in people with orthostatic hypotension (a condition where blood pressure drops upon standing). Twenty participants will have their blood pressure and heart rate measured…

This study looks at why some people, especially young women, feel dizzy, tired, or have a racing heart when they stand up. Researchers will measure heart rate, blood volume, and sweat responses to understand the body's control systems. The goal is to learn more about the conditio…

This study uses activity watches (actigraphy) to measure sleep disturbances in people with orthostatic intolerance, a condition where standing causes dizziness or fainting. Researchers will compare sleep quality between 100 patients and healthy volunteers. The goal is to understa…