<prompt> In a suspected case of death due to poisoning where cadaveric rigidity is lasting longer than usual, it may be a case of poisoning due toLeadArsenicMercuryCopper  <response>: B i.e. Arsenic In Arsenic poisoning, rigor mois lasts longer than usual because it retards putrificationQ; and in Strychine poisoning it sets immediatelyQ Rigor mois or Cadavericrigidity Not seen seen in Appears early passes off quickly Early onset Delayed onset Fetus 7 In condition where muscle is exhausted Organopho-sphate poisoning 1. Asphyxia monthsQ glycogen stores are depleted as 2. Apoplexy - Septicaemia conditionsQ I. Chronic diseases ex. TB, cancer, typhoid, cholera Lasts longer or delayed disappearance 3. 4. Severe haemorrhage Pneumonia 2. Convulsive disorders as strychine - CO 5. Perfusion with normal poisoning- - Arsenic- As, as it delays saline 3. Violent deaths as cut throat, fire arms electrocution, lightening putrefaction 6. Paralysis of muscle due to nervous disease Early onset lasts longer Early disappearance - Drowning Wide spread bacterial infection as gas gangrene due to early putrefaction 