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.
Some of the causes of electric shock include: 1  Faulty appliances. 2  Damaged or frayed cords or extension leads. 3  Electrical appliances coming in contact with water.  Incorrect or deteriorated household 1  wiring. Downed powerlines.  Lightning strike.