Mr. Jackson is being seen in the urgent care center where you work because of severe chest pain. He says the pain is sharp and severe and gets worse when he coughs or breathes in. He is afraid he is having a heart attack. Based on these symptoms, you might suspect that he has

Pulmonary embolism.

Explanation:

In the above scenario, this could be pulmonary embolism case because Mr. Jackson's condition and their symptoms shown towards the pulmonary embolism.

In pulmonary embolism, an artery present in the lungs block by a substance that can be transfer from any part of body through blood circulation and stuck in the artery of lungs and due to this shortness of breath, sever chest pain during coughing or breathing in.

So, the above condition of Mr. Jackson shows pulmonary embolism.