Short Note Hypoxia

_______________Short note: Hypoxia_____________
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Definition: Hypoxia means inadequate O2(oxygen) supply to the body tissue or O2 deficiency at the tissue level.
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Sign of hypoxia:: 
>cyanosis
>tachycardia
>tachypnoea
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Types:: 
i) hypnotic hypoxia
ii) anemic hypoxia
iii) ischemic hypoxia
iv) histotoxic hypoxia
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Cause:::: i) Hypoxic hypoxia:
>breathing gas with law O2
>hypo ventilation
>pulmonary fibrosis
>pulmonary shunt
>high altitude
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ii) Anaemic hypoxia::
>Hb deficiency
>Hb defect
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iii) Ischemic hypoxia::
>CCF(congestive cardiac failure)
>arterial obstruction
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iv) Histotoxic hypoxia::
>due to intake to toxic substances
eg: Cyanide.
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______________Lecture : Dr. Monjurol sir.