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Year : 2022  |  Volume : 1  |  Issue : 1  |  Page : 33-35

A rare case of congenital methemoglobinemia with severe mitral stenosis: An anesthetic and surgical challenge

Department of Anaesthesiology and Critical Care, Santosh Medical College, Ghaziabad, Uttar Pradesh, India

Correspondence Address:
Dr. Ritesh Kumar
Flat No. 904, Tower 4, Orange County, Ghaziabad, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jica.jica_6_21

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Methaemoglobinemia is a condition that occurs when red blood cell contains higher than 1% methaemoglobin (MHb). It can be congenital or acquired. The condition is generally asymptomatic until the serum MHb level reaches as high as 40%. Dyspnea, acidosis, cardiac dysrhythmias, heart failure, seizures, and coma may occur at levels exceeding 45%, and a high mortality rate is seen with levels above 70%. We report a rare association of a case of rheumatic heart disease with severe mitral stenosis with congenital methemoglobinemia diagnosed incidentally during mitral valve replacement procedure under cardiopulmonary bypass.

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