In a polytrauma patient, chest tube insertion caused sudden drainage of 1,500 mL blood from left side. Oxygen saturation is 92%. What should be the immediate next step:

Surgery

In a polytrauma patient, chest tube insertion caused sudden drainage of 1,500 mL blood from left side. Oxygen saturation is 92%. What should be the immediate next step:

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?