The Value of Ultralow Dosis CT and Ultrasound in the Diagnosing of Pneumonia in the Emergency Department

The ULD-CT scan will be executed according to a standardized predeveloped technical protocol. The technical protocol will differentiate between patients with BMI \<25 and \>25 to insure optimal ULD-CT image quality.

"LUS will be performed by trained researchers. Before inclusion researchers preforming LUS scans, will undergo a training program and will complete 25 supervised LUS scans to be certified in LUS. At the end of the training program, researchers will be tested to insure proficiency in LUS.~LUS will be performed according to LUS protocol with seven scanning's zones on each side; 2 anterior, 2 lateral and 3 posterior."