Q. Discuss acute Paracetamol poisoning emphasizing on mechanism of toxicity and its treatment. (2017)
Lee Jones gastric aspirate test involves introducing a few small ferrous sulfate crystals to 5 ml of gastric aspirate, followed by the addition of 4-5 drops of a 20% NaOH solution to induce iron precipitation. The resulting mixture is boiled, cooled, and then acidified with a few drops of 10% HCl. The presence of a greenish-blue precipitate (ferricyanide), which intensifies over time, serves as an indicator of cyanide presence. It's worth noting that a comparable color change may also occur in the presence of salicylate.
Cyanide Poisoning-Postmortem Changes
The spleen is considered the optimal specimen for cyanide analysis due to its elevated poison concentration, attributed to the abundance of red blood cells.
Managing a scorpion sting involves identifying the responsible scorpion, which guides the treatment approach. The main principles include aggressive supportive care, the use of antivenom, and keeping the patient calm. Applying pressure dressings and cold packs to the sting site are measures aimed at reducing venom absorption. Additionally, antihistamines and analgesics may be administered for symptom relief.
Common Scorpion Species in India:
These scorpions can induce hypertensive crises due to the massive release of endogenous catecholamines, resulting in various complications such as:
Treatment options for scorpion envenomation include the administration of drugs such as Prazosin, Nifedipine, Nitroprusside, and Hydralazine.
Q. Discuss the clinical features, management and post-mortem findings in a case of cyanide poisoning. (2017)
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1. What are the symptoms of paracetamol poisoning? |
2. How does paracetamol poisoning occur? |
3. What are the immediate steps to take in case of paracetamol poisoning? |
4. Can paracetamol poisoning be fatal? |
5. Is there a specific antidote for paracetamol poisoning? |
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