If you took a long road trip over the July 4th weekend and your leg has been sore or swollen since, it could be more than just a cramp. Doctors say cases of DVT (deep vein thrombosis) spike after holidays—and even healthy people are at risk. Know the warning signs and how to stay safe this summer by watching this WJZ-TV Health Watch report featuring MedStar Health vascular surgeon Dr. Maggie Arnold. #DVT #TreatPeople #MedStarHealth #BloodClots