Shock | Shock- clinical features | Classification | Cardiogenic shock – |Hypovolemic shock – | Septic shock – | Neurogenic shock-| Anaphylactic shock- | Pathogenesis of septic shock | Stages of shock | Non-progressive phase- | Progressive stage- | Irreversible stage- | Morphology | Clinical features of shock |
Contents [hide] Shock Definition- Systemic hypoperfusion owing to reduction in either cardiac output or in the effective circulating blood volume. Shock- clinical features Hypotension Tachycardia Cold clammy skin Rapid shallow respiration. Drowsiness. confusion, irritability Multi organ failure. Classification Cardiogenic shock – myocardial pump failure – Intrinsic myocardial damage (infarction), vent. Arrhythmias, extrinsic comopression (cardiac tamponade) or outflow obstruction (pulmonary embolism). Hypovolemic shock – loss of blood or plasma volume- by h’hage, fluid loss from severe burns or trauma. Septic shock – systemic microbial infection most commonly in gram negative infectns(endotoxic shock) ,can occur with gram +ve & fungal infectns Neurogenic shock- anaesthetic accident or spinal cord injury. Anaphylactic shock- due to loss of vascular tone & peripheral pooling of blood- IgE mediated response -sys vasodil...