Neurogenic Shock(Aetiology - Pathogenesis - Clinical Picture

Highlights :

Neurogenic Shock(Aetiology - Pathogenesis - Clinical Picture - Treatment)

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Thursday, 10 December 2009 10:00

¦Aetiology :
Fainting or collapse in cases of :
1- In response to fright or other emotions.
2- Painful stimuli e.g. blow to testis or epigastrium .
3- Spinal anasthesia "Spinal shock".
4- Severe injury or head injury.
5- Rapid loss of blood in blood donors .
¦Pathogenesis:
1- Peripheral vasodilatation ®¯ Peripheral resistance .
2- Vagal stimulation ®¯ heart rate .
¦Clinical Picture:
1- Sudden collapse with pale face and cold extremities.
2- Bradycardia with hypotension . 3- Sighing respiration (long deep inspiration).
4- Nausea and vomiting .
¦Treatment:
1- Put the pnt in shock position with raising his feet.
µ Only cover the patient by ordinary bed clothes.
(9) Charts and repeated observation for:
Pulse, Bl. Pr., temp., urine output, CVP.

2- Vasoconstrictors is effective only in this type .
3- Parasympatholytics (Atropine) correct the condition but may cause tachycardia.
4- If symptoms persist give blood and fluids and investigate for acute blood loss.
SOURCE: Prof. AYMAN SALEM'S BOOK
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Not to be reproduced without permission of Vascular Society of Egypt