Thanks for your question on Healthcare Magic. I can understand your concern. Since you had blunt chest trauma (hit at the lower left chest area), possibility of musculoskeletal pain is more for your symptoms. This kind of trauma can mimick heart pain. So follow these steps for better symptomatic relief in musculoskeletal pain. 1. Avoid movements causing pain. 2. Avoid bad postures in sleep. 3. Avoid heavyweight lifting and strenuous exercise. 4. Sit with proper back and chest support. 5. Take painkiller like ibuprofen. 6. Apply warm water pad on affected areas. Don t worry, you will be alright with all these in 1-2 weeks. If not improving then get done chest x ray to rule out rib fracture and other internal complications. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.