Insomnia Leave bedroom when not asleep Keep a sleep journal Behavioral treatments for insomnia Practice relaxation techniques Restrict time awake in bed Maintain a regular sleep schedule Establish a regular wake-up time I nsomnia is a sleep disorder experienced by 12% to 20% of the general adult population. Insomnia is an inability to fall asleep and/or frequent awakenings with an inability to return to sleep. It is associated with daytime symptoms such as irritability and fatigue. The February 20, 2013, issue of JAMA includes an article about insomnia.
Duplex ultrasound image Evaluation of venous function in varicose veins using duplex ultrasound Ultrasound transducer Healthy vein Vein with reflux Blood flows in both directions across valves Blood flows one way through valves to the heart Sonographer Valve Varicose veins Spider veins V aricose veins are swollen, bulgy, twisted veins that are visible just below the skin's surface. They may cause leg pain and swelling and can be cosmetically unappealing. The December 26, 2012, issue of JAMA includes an article about varicose veins.
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