Category Archives: General Anesthesia

Effects of Nitrous oxide in neuroanaesthesia

The Effects of Nitrous oxide in neuroanaesthesia has been questioned many times due to its detrimental effects on the cerebral vasculature and the brain tissue. However, there are no large-scale outcome studies to approve or disapprove its continued use in Continue reading

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CEA Anesthesia

CEA Anesthesia or Carotid endarterectomy anesthesia can be general or regional or combined. Here is a discussion on the relative advantages and disadvantageous of the different types. Mc CaI Thyet al conducted a prospective, randomized trial investigating patient experience of Continue reading

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Brain Hypothermia

The capacity of deliberate Brain Hypothermia to protect the brain and other vital organs during periods of decreased oxygen delivery is used during cardiac surgery. The beneficial effects of Brain Hypothermia were empirically attributed to its ability to decrease cellular Continue reading

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Blood Brain Barrier Functions

In normal Blood Brain Barrier functions the effective pore size of cerebral capillaries is 7-9 A°. This small pore size does not allow movement of small ions, i.e, Na, K and C1. Therefore, the fluid movement across the Blood Brain Continue reading

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Effect of barbiturates drugs in cerebral ischaemia

Barbiturates drugs have been the prototype for anaesthetic protection against cerebral ischaemia. The primary mechanism of protection of barbiturates drugs in cerebral ischaemia has been attributed to its ability to decrease the cerebral metabolic rate of oxygen consumption (CMRO2), thereby increasing Continue reading

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Anesthesia for Carotid Endarterectomy

Anesthesia for Carotid Endarterectomy is of proven benefit to reduce the risk of stroke in patients with high-grade stenosis of the internal carotid artery. Since the disease is atherosclerotic in origin, these patients often are prone to a variety of Continue reading

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Excess Oxygen

Excess Oxygen can cause pulmonary oxygen toxicity which results in a lot of damage to the body tissues. To summarize briefly, the excess oxygen can cause, pulmonary toxicity, Acute respiratory distress syndrome, rertolental fibroplasia, convulsions and Paul burt effect. Here we will be dicussing the Continue reading

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Low alveolar ventilation

A lot of anesthetic gases can be dangerous when used in a low alveolar ventilation anesthesia. This is because the anesthetic gases can combine with soda lime or other components of the boyles machine and produce poisonous gases. This is constant in a non-rebreathing system. In Continue reading

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Wong baker pain assessment tool

Wong baker pain assessment tool is used in the patients who do not have appropriate cognitive level to use a number scale, like lay persons or children. The patient then points out to face best represents how he/she is feeling Continue reading

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Ethyl Chloride Anesthesia

  Ethyl Chloride Anesthesia is a potent anaesthetic. If it has a bp of 12.5°C and hence is a gas at room temperature, so it is liquefied and stored under pressure in a bottle with a cap and seal. It Continue reading

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