Shared Flashcard Set

Details

Title

Critical Care Therapeutics

Description

Hypovolemic shock

Total Cards

Subject

Health Care

Level

Graduate

Created

02/06/2012

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Additional Health Care Flashcards

Term

shock

Definition

a state of inadequate tissue perfusion where the delivery of oxygen and nutrients to the tissues is inadequate to sustain aerobic metabolism

Term

causes of hypovolemia

Definition

hemorrhagic -trauma, surgery

non-hemorrhagic: burns, intestinal obs.

dehydration (diarrhea, vomiting, diuresis)

Term

critical DO₂

Definition

tissues can no longer compensate by extracting more oxygen from hemoglobin

shifts towards anaerobic metabolism and lactate production

Term

goal for hemoglobin range in hemorrhagic shock

Definition

Hgb 7-10

Term

reason why Dextrose 5% which is isotonic is not as good at volume expansion as NS 0.9%

Definition

dextrose is taken up quickly by cells leaving free water which more easily leaves intravascular space