X-ray #4

A 18-year-old man presents with a 3-day history of productive cough and dyspnoea. Describe and interpret the following radiograph (click on images to enlarge):  

ECG #38

A 24-year-old man presents to the emergency department with chest pain and dyspnoea. Describe and interpret his initial 12-lead electrocardiogram:

ECG #37

A 73-year-old man presents to the emergency department with central chest tightness radiating to the left side of his jaw. Describe and interpret his initial…