Physical signs and symptoms may include: 1  Fatigue. 2  Irritability. 3  Muscle tension or muscle aches. 4  Trembling, feeling twitchy. 5  Being easily startled. 6  Trouble sleeping.
The tricuspid valve, or right atrioventricular valve, is on the right dorsal side of the mammalian heart, between the right atrium and the right ventricle. The function of the valve is to prevent back flow of blood into the right atrium. 1 Structure.
The atrioventricular valves of the heart are important in preventing backflow. The mitral valve prevents backflow into the left atrium, and the tricuspid valve prevents backfl â¦ ow into the right atrium.