Personalized Heartbeat US Flag Nurse EMT Doctor Toddler T-Shirt. American flag oval with heartbeat pattern for a physician assistant, doctor or nurse on a Toddler T-Shirt - Vintage Smoke. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.