Valsalva Retinopathy Associated with Choking and Heimlich Maneuver
نویسندگان
چکیده
Valsalva is “a particular form of retinopathy, pre-retinal and hemorrhagic in nature, secondary to a sudden increase in intrathoracic pressure”. Increasing intrathoracic pressure against a closed glottis diminishes venous return to the heart, decreasing stroke volume and subsequently increasing the venous system pressure. Here we report a case of 52-year-old male who presented with a sudden central vision loss because of macular hemorrhage. The case occurred following the suffocation, which is not often seen; hence we conducted investigative tests to determine the cause of retinal bleeding.
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I Heimlich HJ. Pop goes the cafe coronary. Emergency Medicine 1974;6:154. 2 Office of Population Censuses and Surveys. Mortality statistics 1980. DH2 No 7. London: OPCS, 1982:54. 3 Greensher J, Mofenson HC. Emergency treatment of the choking child. Pediatrics 1982;70 :110-2. Day RL, Grelin ES, Du Bois AB. Choking: the Heimlich abdominal thrust vs back blows: an approach to measurement of inerti...
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