Holley, New York. 1  Holley: This is the Holley Falls. 2  Holley: This is the pond next to the park in Holley It's a great fishing hole... 3  Holley: This is the pond next to the park in Holley It's a great fishing hole... 4  Holley: Holley City Limits Sign.  Holley: New Covenant Worship Center in Holley 1  NY.  add.
Major classes of shock include: 1. Hypovolemic Shock (caused by inadequate blood volume) Hypovolemic shock is an emergency condition in which severe blood and fluid loss makes the heart unable to pump enough blood to the body.
Shock can be caused by any condition that reduces blood flow, including: 1  Heart problems (such as heart attack or heart failure) 2  Low blood volume (as with heavy bleeding or dehydration)  Changes in blood vessels (as with infection or severe allergic reactions)