Concealed definition, to hide; withdraw or remove from observation; cover or keep from sight: He concealed the gun under his coat. See more.
Obstructive Shock: Causes, Signs and Symptoms, & First Aid Management. Obstructive shock is a medical emergency that occurs due to mechanical problems that averts diastolic filling resulting to decreased cardiac output. Obstructive shock is a medical emergency that occurs to mechanical problems that avoids diastolic filling from occurring.
Obstructive (non-communicating) hydrocephalus is caused by a blockage in the system of cavities (ventricles) in the brain. The blockage prevents the cerebrospinal fluid from flowing (or communicating) with the area that surrounds the brain and spinal cord (subarachnoid space), as it normally should.