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Complex Signals with a Complex History: EEG Monitoring in Anesthesia

Complex Information for Anesthesiologists Presented Quickly and Clearly
Source: Anesthesiology

By |July 1st, 2018|Uncategorized|0 Comments

From Benzene Rings to Political Ones: Metz and His Benzocaine, Anaesthesine

As a German-American born in New York, Herman August Metz (1867 to 1934) prospered as a manufacturer of pharmaceuticals and of dyestuffs. He produced a local anesthetic, benzocaine, the ethyl ester of para-aminobenzoic acid, which he trademarked as Anaesthesine (left). By embossing a benzene ring logo (right) on bottles of his numbing medicine, Metz hoped […]

By |July 1st, 2018|Uncategorized|0 Comments

Anomalous Drainage of Inferior Vena Cava into the Left Atrium

ANOMALOUS drainage of the inferior vena cava into the left atrium is a rare cause of cyanosis in adults.1 The accompanying images exhibit this condition. Magnetic resonance imaging portrays the inferior vena cava entering the left atrium (top image). An ostium secundum atrial septal defect and a prominent left atrial eustachian valve are present (bottom […]

By |July 1st, 2018|Uncategorized|0 Comments

Baseline Cerebral Metabolic Rate Is a Critical Determinant of the Cerebral Vasodilating Potency of Volatile Anesthetic Agents

A Comparison of the Direct Cerebral Vasodilating Potencies of Halothane and Isoflurane in the New Zealand White Rabbit. By Drummond JC, Todd MM, Scheller MS, and Shapiro HM. Anesthesiology 1986; 65:462–7. Reprinted with permission. Halothane is commonly viewed as a more potent cerebral vasodilator than isoflurane. It was speculated that the lesser vasodilation caused […]

By |July 1st, 2018|Uncategorized|0 Comments

Ogbúnàbàlị̀ and Hypnos, 1949

Ogbúnàbàlị̀, god of death at still night
Source: Anesthesiology

By |July 1st, 2018|Uncategorized|0 Comments

On Coming Back

Sound returns
Source: Anesthesiology

By |June 1st, 2018|Uncategorized|0 Comments

Handbook of Anaesthesia & Peri-operative Medicine.

Creating a handbook for all of anesthesia is an undoubtedly daunting task. Cyprian Mendonca and Chandrashekar Vaidyanath should be congratulated for even attempting the feat with their Handbook of Anaesthesia & Peri-operative Medicine. On one hand, it would have to cover incredibly broad topics with enough detail to be useful to a student, resident, or […]

By |June 1st, 2018|Uncategorized|0 Comments

A Second Look at the Second Gas Effect

“…he second gas effect is real, and not just a theoretical construct…”
Source: Anesthesiology

By |June 1st, 2018|Uncategorized|0 Comments

The McKesson Oxygen Tent: The Role of the Rubber Sheet

By the early 1930s, physician-anesthetist Elmer Isaac “Ira” McKesson, M.D. (1881 to 1935), was developing the concepts behind his McKesson Oxygen Tent (above). To “prevent oxygen from passing through the mattress and escaping from the tent,” a rubber sheet was placed underneath the patient’s sheets and mattress cover. Through a large door in the cabinet, […]

By |June 1st, 2018|Uncategorized|0 Comments

The French Connection of Somnoforme: Rolland and Rousseau of Bordeaux

For producing analgesia or general anesthesia, the Dental School of Bordeaux’s Professor Georges Rolland pioneered the use in 1901 of “Soemnoforme.” A 12:7:1 mixture of ethyl chloride, methyl chloride, and ethyl bromide, respectively, this unusual anesthetic was manufactured for worldwide distribution by chemist A. Roussseau, also of Bordeaux. To reassure purchasers and frustrate his competitors, […]

By |June 1st, 2018|Uncategorized|0 Comments