Air embolism and veins is greater than atmospheric pressure, an air embolus does not often happen when a blood vessel is injured. In the veins above the heart, such as in the head and neck, the venous pressure may be less than atmospheric and an injury may let air in. This is one reason why surgeons must be particularly careful when operating on the brain, and why the head of the bed is tilted down when inserting or removing a central venous catheter from the jugular or subclavian veins. When air enters the veins, it travels to the right side of the
Anna on the Neck a cross which was supposed to be worn on the neck. In his October 1895 review, the writer and critic Yuri Govorukha-Otrok juxtaposed Chekhov's story with some similar plots by Alexander Ostrovsky, concluding that where the latter seeks for drama and tragedy, the former is quite content with the comical approach, which he'd developed in his early works. In 1904 the critic Yuri Dyagilev (writing under the pseudonym Yu. Chereda), analyzed "Anna on the Neck" and "The House with the Mezzanine" along the lines of his own conception according to which Chekhov and Dostoyevsky were the masters of paeans to