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Distribution of Cyanosis, Occurrence of Cyanosis, Pathophysiology of Cyanosis, Evaluation of Cyanosis, Causes of Cyanosis, Classification of Cyanosis, Treatment of Cyanosis and Differential Diagnosis of Cyanosis

Pavan Eswar Reddy.K, Pavan Kumar . K, Muralinath . E, Mohan Naidu . K, Guru Prasad . M, Amrutham Sandeep, Sravani Pragna .K

Abstract


     Bluish  coloration  of  skin as  well  as  mucus  membrane. Cyanosis  is  particularly  seen  in  many  areas  where  the  skin  exhibits  very  thinness.  Cyanosis  is  not  seen  in  anemic  hypoxia  because  the  hemoglobin  content  itself  is  very  low. Cyanosis does  not  occur  particularly  in  histototocic  hypoxia  because  of  tissue  damage  also.  In  polycythemia,  the  quantity  of  deoxygenated  blood  enhances  which  results  in  the  bluish  discoloration  of  skin.  Particularly,  if  the  level  of  deoxygenated  hemoglobin  is  approximately,  3-5  g/dl, cyanosis  happens  to  the  maximum  extent.  In  most  of  the  conditions,  the  cardiac  pulmonary  system  is  related  to  the  development  of  cyanosis.  Normally,  an  abnormal  hemoglobin  is  not  accepted  by  the  pulse  oximetry  and  that  is  why,  particularly  in  methemoglobiunemia,  the  pulse  oximetry  reading  shows  more  value  in a  wrong  way.  Cyanosis  is  divided  into  peripheral  cyanosis  and  central  cyanosis.  Treatment  of  central  cyanosis  requires  correction  of  metabolic  abnormalitues,  different  types  of  drugs  such  as  ACE  inhibitors  and  diuretcs  and  oxyge  therapy.   Differential  diagnosis  is  linked  to  anemia,  heart  failure,  hydrocarbon  toxicity,  metabolic  acidosis,  pulmonary  embolism  and  rota  virus.


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