The sides and angles of a square: The sides of a square are all congruent (the same length.) The angles of a square are all congruent (the same size and measure.) Remember that a 90 degree angle is called a right angle. So, a square has four right angles. Opposite angles of a square are congruent. Opposite sides of a square are congruent. Opposite sides of a square are parallel.
Follow Following Unfollow Pending Disabled. A Dr. Nasser A. Chaudhry, MD , Cardiology (Cardiovascular Disease), answered on behalf of Lourdes Health System. Doctors who practice phlebology are the specialists who treat varicose veins. These specialists may include family practitioners, internists, dermatologists, radiologists, cardiologists and general and vascular surgeons.
Physicians treat blood clots with a variety of methods. These include medications such as anticoagulants (drugs to help prevent blood clots) or clot busters (drugs that help dissolve blood clots that have formed). In more serious situations, surgeons may opt for a catheter-based procedure or surgery to remove the clot. Deep vein thrombosis (DVT) affects mainly the veins in the lower leg and thigh; it involves the formation of a clot (thrombus) in the larger veins of this area. The thrombus may interfere with circulation in this area, and it may break off and travel through the bloodstream (embolize).