[2025-09-30T00:03:07.380993] [QUERYOME] Starting research for query 347: '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:
What is seen in severe AS – 

Options:
{'A': 'Pulsus bisferiens', 'B': 'Late ejection systolic click', 'C': 'Heaving shifted apex', 'D': 'Loud S2'}'
[2025-09-30T00:03:07.436920] [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:
What is seen in severe AS – 

Options:
{'A': 'Pulsus bisferiens', 'B': 'Late ejection systolic click', 'C': 'Heaving shifted apex', 'D': 'Loud S2'}'
[2025-09-30T00:03:07.439086] Saving text to bench_final/run1/medmcqa/medmcqa_346/pi_initial_prompt.txt
[2025-09-30T00:03:07.443053] [PI] Calling o3 for initial analysis...
[2025-09-30T00:03:17.134234] [PI] Reasoning iteration 1
[2025-09-30T00:03:17.135889] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:03:17.137956] [PI] Function arguments: {'query': 'aortic stenosis physical examination heaving apex impulse sustained location laterally displaced', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T00:03:17.139558] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-09-30T00:04:19.772460] [PI] Function hybrid_search executed successfully
[2025-09-30T00:04:19.774055] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-09-30T00:04:19.779162] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:04:26.183035] [PI] Reasoning iteration 2
[2025-09-30T00:04:26.196302] [PI reasoning] **Looking into apex impulse**

I noticed the first article about apex impulse wasn't very helpful, which makes me think that focusing on citations for heaving apex isn't really necessary. Instead, I might look for something more specific, like “sustained heaving apex aortic stenosis.” That sounds more relevant to what I need to find out! I'm curious to see what useful information I can uncover with that search.
[2025-09-30T00:04:26.202961] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:04:26.207574] [PI] Function arguments: {'query': 'heaving apex impulse aortic stenosis physical sign', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-09-30T00:04:26.209103] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_2_tool_call_2_hybrid_search.json
[2025-09-30T00:05:25.929580] [PI] Function hybrid_search executed successfully
[2025-09-30T00:05:25.931618] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_2_tool_result_2_hybrid_search.json
[2025-09-30T00:05:25.937724] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:05:30.966027] [PI] Reasoning iteration 3
[2025-09-30T00:05:30.968167] [PI] Executing function call 1: bm25_author_keywords_search
[2025-09-30T00:05:30.969999] [PI] Function arguments: {'query': 'heaving apex aortic stenosis', 'k': 10}
[2025-09-30T00:05:30.971643] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_3_tool_call_2_bm25_author_keywords_search.json
[2025-09-30T00:05:31.848478] [PI] Function bm25_author_keywords_search executed successfully
[2025-09-30T00:05:31.850866] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_3_tool_result_2_bm25_author_keywords_search.json
[2025-09-30T00:05:31.869810] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:05:36.834857] [PI] Reasoning iteration 4
[2025-09-30T00:05:36.836429] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:05:36.841624] [PI] Function arguments: {'query': 'sustained apex impulse aortic stenosis', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-09-30T00:05:36.843840] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_4_tool_call_2_hybrid_search.json
[2025-09-30T00:06:44.695247] [PI] Function hybrid_search executed successfully
[2025-09-30T00:06:44.701595] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_4_tool_result_2_hybrid_search.json
[2025-09-30T00:06:44.708160] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:06:53.059687] [PI] Reasoning iteration 5
[2025-09-30T00:06:53.061198] [PI reasoning] **Analyzing hemodynamic response**

I'm retrieving insights on hemodynamics for our exam. The first article suggests issues with the apex impulse, specifically a "heaving displaced apex." This option covers both "heaving" and "shifted." The term “heaving apex beat” is confirmed as indicative of severe aortic stenosis (AS). It's crucial to note that a heaving apex is associated with AS and systemic hypertension. I’ll create a final answer referencing Agarwal's 1985 findings to support my explanation about the related murmur. Let's check the article for relevant details.
[2025-09-30T00:06:53.063056] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:06:53.064487] [PI] Function arguments: {'query': 'harsh systolic murmur and sustained heaving apex impulse in patients with valvular aortic stenosis', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T00:06:53.066569] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_5_tool_call_2_hybrid_search.json
[2025-09-30T00:08:01.408885] [PI] Function hybrid_search executed successfully
[2025-09-30T00:08:01.410336] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_5_tool_result_2_hybrid_search.json
[2025-09-30T00:08:01.442729] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:08:10.561662] [PI] Reasoning iteration 6
[2025-09-30T00:08:10.563278] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:08:10.564814] [PI] Function arguments: {'query': 'sustained apical impulse pressure overload aortic stenosis', 'k': 5, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T00:08:10.566351] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_6_tool_call_2_hybrid_search.json
[2025-09-30T00:09:09.232312] [PI] Function hybrid_search executed successfully
[2025-09-30T00:09:09.234173] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_6_tool_result_2_hybrid_search.json
[2025-09-30T00:09:09.240999] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:09:23.542413] [PI] Reasoning iteration 7
[2025-09-30T00:09:23.551430] [PI] Executing function call 1: hybrid_search
[2025-09-30T00:09:23.553746] [PI] Function arguments: {'query': "heaving apex impulse 'aortic stenosis' PubMed", 'k': 10, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-09-30T00:09:23.554864] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_7_tool_call_2_hybrid_search.json
[2025-09-30T00:10:32.124218] [PI] Function hybrid_search executed successfully
[2025-09-30T00:10:32.125897] Saving JSON to bench_final/run1/medmcqa/medmcqa_346/pi_iteration_7_tool_result_2_hybrid_search.json
[2025-09-30T00:10:32.132754] [PI] Continuing reasoning with 1 function responses...
[2025-09-30T00:10:46.104941] [PI] Reasoning iteration 8
[2025-09-30T00:10:46.110509] [PI] No function calls found in response
[2025-09-30T00:10:46.117662] [PI] No more function calls - research complete
[2025-09-30T00:10:46.121205] Saving text to bench_final/run1/medmcqa/medmcqa_346/pi_final_answer.txt
[2025-09-30T00:10:46.135032] [QUERYOME] Query completed successfully
