Several techniques are available for differentiating<unk>  states
RUSH Protocol was conceived in 2008 and looks are 3 basic aspects of physiology
RV:LV
Squeeze
Pericardial effusion
IVC
Pleural effusions
Pulmonary edema
AAA
Aortic dissection
DVT
Ultrasound: In Shock and Hypotension
Harbor Macros: Chest Pain
Harbor Macros: Abdominal Pain
Ultrasound: Soft tissue
Ultrasound: Signs
Harbor Macros: Syncope
ACLS: Tachycardia
Harbor Macros: Back Pain