[header] How to spot obstructive shock symptoms [title] Look for symptoms related to the skin. [step] Signs and symptoms of obstructive shock begin to show when the heart fails to pump enough blood to the rest of the body. Some of the first signs that are noticeable involve the skin, such as excessive sweating, clamminess, reduced temperature and a general paleness. 
[substeps] If the skin looks pale and feels clammy, touch the fingers and toes to see if they're chilly. That's a good indication that there's a circulation problem.