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Differential cyanosis and clubbing: signs of an Era gone by
  1. Srivatsa Nadig,
  2. Aditya Kapoor,
  3. Sudeep Kumar
  1. Department Of Cardiology, Sanjay Gandhi PGIMS, Lucknow, Uttar Pradesh, India
  1. Correspondence to Dr Aditya Kapoor, Department of Cardiology, Sanjay Gandhi PGIMS, Lucknow, UP 226014, India; akapoor65{at}

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Despite declining prevalence of Eisenmenger Syndrome (ES) in the West, such patients are not uncommon in the developing world. Important clues to the level of shunt are provided by differential cyanosis and clubbing indicating a patent ductus arteriosus (PDA) or the degree of splitting of second heart sound.1 The reason for the differential …

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