[2025-10-01T16:32:09.992198] [QUERYOME] Starting research for query 212: '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:
Not a feature of infective endocarditis:

Options:
A. Myocardial abscess.
B. Vegetation along cusps.
C. Thrombus in left atria.
D. Perforation of cusp.'
[2025-10-01T16:32:10.066163] [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:
Not a feature of infective endocarditis:

Options:
A. Myocardial abscess.
B. Vegetation along cusps.
C. Thrombus in left atria.
D. Perforation of cusp.'
[2025-10-01T16:32:10.067871] Saving text to bench_final/run1/medmcqa/medmcqa_1772/pi_initial_prompt.txt
[2025-10-01T16:32:10.072387] [PI] Calling o3 for initial analysis...
[2025-10-01T16:32:19.629257] [PI] Reasoning iteration 1
[2025-10-01T16:32:19.631502] [PI reasoning] **Identifying non-features of infective endocarditis**

I need to determine which aspect isn't a feature of infective endocarditis. It includes vegetations, cusp perforations, and ring abscesses—so myocardial abscess falls into that category. However, the thrombus in the left atrium isn't typical for infective endocarditis; that relates to rheumatic heart disease and atrial fibrillation. Thus, my answer is the thrombus in the left atrium, which avoids confusion, as it's more of a complication in specific cases. Let's confirm this information.
[2025-10-01T16:32:19.633454] [PI] Executing function call 1: hybrid_search
[2025-10-01T16:32:19.636057] [PI] Function arguments: {'query': 'infective endocarditis features myocardial abscess vegetation perforation cusp thrombus left atrium', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-10-01T16:32:19.637618] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-10-01T16:32:20.259175] [PI] Function hybrid_search executed successfully
[2025-10-01T16:32:20.261623] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-10-01T16:32:20.268083] [PI] Continuing reasoning with 1 function responses...
[2025-10-01T16:32:24.734721] [PI] Reasoning iteration 2
[2025-10-01T16:32:24.737423] [PI] Executing function call 1: hybrid_search
[2025-10-01T16:32:24.739124] [PI] Function arguments: {'query': 'vegetation along valve cusps perforation cusp infective endocarditis', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-10-01T16:32:24.742008] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_2_tool_call_2_hybrid_search.json
[2025-10-01T16:32:26.456668] [PI] Function hybrid_search executed successfully
[2025-10-01T16:32:26.458486] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_2_tool_result_2_hybrid_search.json
[2025-10-01T16:32:26.464643] [PI] Continuing reasoning with 1 function responses...
[2025-10-01T16:32:29.888430] [PI] Reasoning iteration 3
[2025-10-01T16:32:29.891198] [PI] Executing function call 1: hybrid_search
[2025-10-01T16:32:29.893396] [PI] Function arguments: {'query': 'left atrial thrombus infective endocarditis', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-10-01T16:32:29.894682] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_3_tool_call_2_hybrid_search.json
[2025-10-01T16:32:30.521138] [PI] Function hybrid_search executed successfully
[2025-10-01T16:32:30.522741] Saving JSON to bench_final/run1/medmcqa/medmcqa_1772/pi_iteration_3_tool_result_2_hybrid_search.json
[2025-10-01T16:32:30.527334] [PI] Continuing reasoning with 1 function responses...
[2025-10-01T16:32:42.462608] [PI] Reasoning iteration 4
[2025-10-01T16:32:42.465485] [PI reasoning] **Crafting an answer on thrombus**

I’m noticing that left atrial thrombus is rare and not a typical feature in many cases. When constructing my answer, I’ll provide options with reasoning. It’s essential to include in-text citations, perhaps referencing works by Brown Wilson or articles by Basmadjian and Shanks regarding vegetations. I’ll emphasize that while infective endocarditis produces vegetations, intracavitary mural thrombi are less common and usually associated with conditions like atrial fibrillation. Let's finalize this answer clearly.
[2025-10-01T16:32:42.467770] [PI] No function calls found in response
[2025-10-01T16:32:42.469396] [PI] No more function calls - research complete
[2025-10-01T16:32:42.472555] Saving text to bench_final/run1/medmcqa/medmcqa_1772/pi_final_answer.txt
[2025-10-01T16:32:42.477876] [QUERYOME] Query completed successfully
