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Terms in this set (227)
What is shock? Widespread abnormal cellular metabolism that
occurs when the human need for oxygenation and
tissue perfusion is not met to the level needed to
maintain cell function.
What is tissue perfusion? blood flow through body tissues
What is shock the result of? decreased circulating blood volume leading to
decreased tissue perfusion and general hypoxia
Why is shock considered a Identified through S&S
syndrome?
Because the cellular, tissue, and organ events that
occur in response to its presence happen in a
predictable sequence.
What type of response is usually whole-body
triggered when someone goes into
shock?
What are main initial manifestations - hypotension
of shock? (2) - anaerobic cellular metabolism
What is hypovalemic shock? extensive loss of blood/ fluid volume
, What commonly causes hypovalemic Commonly caused by hemorrhage (external or
shock? internal) and dehydration (diarrhea/vomiting)
What is cardiogenic shock? Occurs when the heart is damaged and unable to
supply sufficient blood to the body
What is vasogenic shock? caused by sepsis, deep anesthesia, or anaphylaxis
circulatory failure resulting from vasodilation
What is sepsis? - systemic inflammatory response to documented
or suspected infection
- presence of tissue perfusion abnormalities
What is anaphylaxis? -Severe allergic reaction
- Massive vasodilation
- Increased capillary permeability
What are clinical manifestations of - Anxiety, confusion, dizziness
anaphylaxis? - Sense of impending doom
- Chest pain
- Incontinence
- Swelling of the lips and tongue, angioedema
- wheezing
- respiratory distress and circulatory failure
What is neurogenic shock? Hemodynamic phenomenon that can occur within
30 minutes of a spinal cord injury at the fifth
thoracic (T5) vertebra or above and can last up to 6
weeks.
- spinal cord injury
- opiod overdose