Ultrasonography of Chest Versus Pulmonary Artery CT Angiography in Patients With Symptoms and Signs in Favor of PTE

Bedside Ultrasonography of Chest Versus Pulmonary Artery CT Angiography in the Patients Who Came to Emergency Department of Alzahra General Hospital With Respiratory Symptoms and Signs in Favor of Pulmonary Thromboemboli.

In this study the investigators compare the diagnostic validity of Bedside Ultrasonography of chest and Pulmonary artery CT Angiography in the patients who came to Emergency Department of Alzahra General Hospital from 1 may 2012 to 1 October 2012 with respiratory symptoms and signs in favor of Pulmonary Thromboemboli (PTE).

Inclusion Criteria:

• Patients with signs or symptoms in favor of PTE who come to Emergency department of Alzahra General Hospital.

Exclusion Criteria:

• previous history of Allergy to IV contrast
• Serum creatinin more than 1.8
• patients that will not agree to participate in the study.
• pregnancy
• Body weight more than 120 kg