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Like radar, the time from generating the energy, the angle it was aimed, and the energy and direction of the returned signals, is used to make measurements and form images.Routine echocardiography is a tremendously useful, inexpensive, and widely used test. In the basic form, a highly trained technician puts gel on the patient’s chest, to improve transmission of sound. Yes, it’s essentially KY jelly, the same used for erotic lubrication. If you’re lucky, the technician warms it. The transducer moves over specific anatomic regions, forming a picture or measurement on the computer-controlled screen. This gives a moving picture of the heart, with false colors corresponding to the speed of blood flow. Higher-resolution still images also are recorded, which allow precise measurements. By measuring the distance between the walls of parts of the heart, at various stages of heartbeat, the pumping efficiency can be calculated; the main such measurement is the left ventricular ejection. He circled my cock with his tongue and scraped it lightly with his teeth. I felt the light scraping of his teeth. My cock felt as hard and long as it ever had felt in my life and I sensed that I was going to shoot. Thai took my cock out of his mouth and looked up at me as he stroked the entire length of it and massaged my bloated balls. At that time I felt longer than my 7+’ and bigger around then 5.’ He put it back in his mouth and then took it out again then he gently blew on it as his fingers continually massaged my balls. He tickled my cock head with his tongue and teased my pee slit. He was bringing me up and down and I was close to cumming few times. Thai seemed to know when I was getting close, and he would do things making me last longer, torturing me in the process. Thai then took my cock all the way into his warm wet mouth. He swirled his tongue around the length of my shaft, nibbled on my cock head and sucked me hard. He reached under my balls and rubbed the hardness.
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