pathophysiology

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Author:
abusalim11
ID:
191263
Filename:
pathophysiology
Updated:
2013-01-03 16:05:08
Tags:
shock
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Description:
gtm pathophysiology
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  1. definition of shock
    shock is a circulatory failure that lead to inadequate tissue perfusion _cellular dysfunction - organ failure - death
  2. types of shock
    • 1-Hypovolemic shock
    • 2-Cardiogenic Shock
    • 3-Distributive shock
  3. Hypovolemic shock Definition and example
    • Reduction of the circulating volume
    • •Blood Loss: trauma, gastrointestinal bleeding
    • •Plasma Loss: burns
    • •Fluid Loss: Diarrhea & sunstroke
  4. Cardiogenic Shock Definition and example
    • Impaired Cardiac function
    • •Myocardiac infarction
    • •Heart failure
    • •Weak contractions in ventricular fibrilations
  5. 3.Distributive shock Definition and example
    • Systemic dilatation of blood vessel (vasodilatation)
    • •Sepsis: circulating bacterial toxins
    • •Anaphylaxis: caused by allergy →
    • Histamine release
    • •Neurogenic: spinal cord injury
  6. Compensated Manifestation of Shock
    • •Increased heart rate (Tachycardia)
    • •Maintain normal Blood pressure
    • •Irritability
    • •Thirsty
    • •Decrease urinary output
  7. uncompensated Manifestation of Shock
    • •Tachypnea (rapid respiration)
    • •Cool pale extremities
    • •Decrease Blood presuure
  8. Irreversible Shock
    • •Hypotension
    • •Apnea
    • (stop of breathing)
    • •Coma
    • •Organ
    • failure (Kidney – liver – brain)

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