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.
The most common causes of obstructive lung disease are: 1  Chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis. 2  Asthma. 3  Bronchiectasis. 4  Cystic fibrosis.