A FACTORY WORKER PRESENTED WITH TREMORS AND PERSONALITY CHANGES ON EXAMINATION HIS HANDS SHOWN BELWO , WHAT IS THE DIAGNOSIS?: (A) MERCURY POISONING, (B) LEAD POISONING, (C) ARSENIC POISONING, (D) COCAINE POISONING
Answer is A. Mercury Poisoning Acute effect * By ingestion: local corrosive effects; nausea, vomiting, severe abdominal pain, chemical colitis, renal damage * By inhalation: chemical pneumonitis, pulmonary edema Chronic effect * Classic symptoms: tremor, gingivitis, erethism (greek erethismos = irritate) * Renal & CNS damage * Minamata disease - neurological syndrome caused by severe mercury poisoning REF : NARAYANA REDDY TOXICOLOGY