[2025-10-02T02:59:08.616601] [QUERYOME] Starting research for query 1660: 'Instructions:
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer.

Question:
A young patient presented to casualty with a history of some substance abuse. His pulse was 130 beats per minute and respiratory rate was 30 per minute. Blood gas analysis revealed metabolic acidosis and his urea was 100 mg/dL and creatinine was 4 mg/dL. Urinalysis revealed calcium oxalate crystals. He improved symptomatically after management with intravenous fluids, gastric lavage, sodium bicarbonate, calcium gluconate and 4-methylpyrazole administration. What is the most likely substance that he consumed?

Options:
A. Formaldehyde
B. Methyl alcohol
C. Ethylene glycol
D. Paraldehyde'
[2025-10-02T02:59:08.658231] [PI] Starting research for query: 'Instructions:
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer.

Question:
A young patient presented to casualty with a history of some substance abuse. His pulse was 130 beats per minute and respiratory rate was 30 per minute. Blood gas analysis revealed metabolic acidosis and his urea was 100 mg/dL and creatinine was 4 mg/dL. Urinalysis revealed calcium oxalate crystals. He improved symptomatically after management with intravenous fluids, gastric lavage, sodium bicarbonate, calcium gluconate and 4-methylpyrazole administration. What is the most likely substance that he consumed?

Options:
A. Formaldehyde
B. Methyl alcohol
C. Ethylene glycol
D. Paraldehyde'
[2025-10-02T02:59:08.660827] Saving text to bench_final/run1/medmcqa/medmcqa_3220/pi_initial_prompt.txt
[2025-10-02T02:59:08.675528] [PI] Calling o3 for initial analysis...
[2025-10-02T02:59:12.236520] [PI] Reasoning iteration 1
[2025-10-02T02:59:12.238150] [PI] Executing function call 1: hybrid_search
[2025-10-02T02:59:12.241151] [PI] Function arguments: {'query': 'ethylene glycol poisoning calcium oxalate crystals metabolic acidosis renal failure fomepizole', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-10-02T02:59:12.242967] Saving JSON to bench_final/run1/medmcqa/medmcqa_3220/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-10-02T02:59:12.645543] [PI] Function hybrid_search executed successfully
[2025-10-02T02:59:12.647101] Saving JSON to bench_final/run1/medmcqa/medmcqa_3220/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-10-02T02:59:12.651803] [PI] Continuing reasoning with 1 function responses...
[2025-10-02T02:59:17.577652] [PI] Reasoning iteration 2
[2025-10-02T02:59:17.579725] [PI] No function calls found in response
[2025-10-02T02:59:17.581311] [PI] No more function calls - research complete
[2025-10-02T02:59:17.582927] Saving text to bench_final/run1/medmcqa/medmcqa_3220/pi_final_answer.txt
[2025-10-02T02:59:17.587915] [QUERYOME] Query completed successfully
