a doctor checks the pulse of an elderly man during a thallium stress test

---

Size: 5636px × 8400px
Photo credit: © Thomas Photography LLC / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: aged, america, cardiac, care, chest, concern, diagnostic, elderly, grasping, health, holding, hospital, lawrence, listen, male, man, massachusetts, medical, medicine, north, observe, pulse, science, sensor, stethoscope, stress, technology, test, thallium, wait, watch, work