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Anesthesia In Heart DiseaseCategory: Uncategorized Source: Disturbances Of The Heart While no physician likes to give an anesthetic to a patient who has valvular disease of the heart, and no surgeon cares to operate on such a patient unless operation is absolutely necessary, still in valvular disease with good compensation the prognosis of either ether or chloroform narcosis is good. When there are evidences of chronic myocarditis or a history of broken compensation and the borderline of compensation and dilatation is very narrow, or when there is arteriosclerosis, the danger from an anesthetic and an operation is much greater; it may be serious, in fact, and the decision must be made whether or not the operation is absolutely necessary. Under any circumstances it is understood that the anesthetist must be an expert, as there can be no carelessness and nothing but the best of judgment in causing anesthesia when there is cardiac defect. The anesthetic to select is a subject for careful decision, as one cannot assert which anesthetic is the best. While chloroform seems occasionally to cause a fatty degeneration of the heart, or if given too rapidly at first may cause sudden death, especially in cardiac weakness, ether has its disadvantages, owing to the increased tension (especially if there is likely to be much valvular or cerebral excitement), and the greater amount of ether that must be given, with the attendant danger to the kidneys, which may have been disturbed from the cardiac conditions. Generally, however, the better method is perhaps to administer first chloroform to the point of producing sleep and then to change to ether, the first mild chloroform narcosis preventing the ether from causing acute stimulation, and ether being better for the operation, as it is more of a stimulant. Some anesthetists believe that it is better to administer morphin, with perhaps atropin hypodermically before the anesthesia, and then to use ether. Nitrous oxid gas would be contraindicated as tending to increase arterial pressure, and therefore endanger a damaged heart; it is a serious danger to damaged blood vessels. Previous: Acute Dilatation Of The Stomach
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