id stringlengths 5 5 | task stringclasses 1
value | subtask stringclasses 1
value | question stringlengths 39 149 | answer stringlengths 1 116 | gold_evidence listlengths 1 16 |
|---|---|---|---|---|---|
t_001 | A | technical_ex | What is the minimum angular difference required between two angiographic projections to enable 3D QCA vessel reconstruction used for FFR computation? | Equal or greater to 25 degrees | [
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{
"doc_id": "doce0aa3449... |
t_002 | A | technical_ex | Which cardiac phase should angiographic frames be selected from for 3D QCA reconstruction during QFR analysis? | end-diastolic frames | [
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t_003 | A | technical_ex | How many angiographic projections are required for 3D QCA reconstruction? | 2 | [
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{
"doc_id": "doc7b681e42... |
t_004 | A | technical_ex | Is excessive vessel overlap an exclusion criterion for QFR analysis? | Yes | [
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{
"doc_id": "doc7b681e42... |
t_005 | A | technical_ex | Is severe foreshortening an exclusion criterion for QFR computation? | Yes | [
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{
"doc_id": "doc7b681e42... |
t_006 | A | technical_ex | What FFR cutoff value is explicitly used in clinical studies to define myocardial ischemia or hemodynamically significant coronary stenosis? | 0.8 | [
{
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{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000014"
},
{
"doc_id": "doce0aa3449... |
t_007 | A | technical_ex | Which view is called the 'spider' view? | LAO caudal | [
{
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"chunk_id": "chunk000009"
},
{
"doc_id": "docc2a440c5f1cd",
"chunk_id": "chunk000008"
}
] |
t_008 | A | technical_ex | Which two web browsers are officially supported for the QFR client application? | Microsoft Edge and Google Chrome | [
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{
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] |
t_009 | A | technical_ex | What processor architecture is required for the QFR (QAngio XA 3D) server installation? | 64-bit architecture | [
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{
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"chunk_id": "chunk000019"
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{
"doc_id": "doceb909d6b... |
t_010 | A | technical_ex | What is the minimum required RAM for the QFR server machine? | 16GB RAM | [
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000009"
}
] |
t_011 | A | technical_ex | What is the minimum required RAM for the QFR client machine? | 8GB RAM | [
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000010"
}
] |
t_012 | A | technical_ex | Which three workflow steps are defined for completing a QFR analysis? | Vessel selection, contours, results | [
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"chunk_id": "chunk000005"
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{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000023"
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] |
t_013 | A | technical_ex | Under which cardiovascular conditions related to heart rate and blood pressure should QFR not be applied? | Tachycardia (>100 bpm) and systolic aortic blood pressure <75 mm Hg | [
{
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"chunk_id": "chunk000003"
},
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000003"
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] |
t_014 | A | technical_ex | How is Diameter Stenosis % defined and calculated in the QFR / QAngio XA 3D software? | Ratio between diameter reduction and reference diameter | [
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{
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] |
t_015 | A | technical_ex | According to the QFR Vessel Selection step, which coronary vessel types can the AI automatically detect and classify for analysis? | Left Anterior Descending (LAD), Left Circumflex (LCX) and Right Coronary Artery (RCA). | [
{
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{
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] |
t_016 | A | technical_ex | In the validation studies of QFR/3D QCA, for what purpose was the Youden Index used? | Identify the optimal diagnostic cut-off value | [
{
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"chunk_id": "chunk000007"
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{
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] |
t_017 | A | technical_ex | List the three "Fractal Laws" implemented in the 3D QCA software for bifurcation analysis. | Murray, Finet, HK | [
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] |
t_018 | A | technical_ex | In the QFR Results (Physiology) tab, what does the d(QFR)/ds curve represent and indicate about the lesion? | Focality of the lesion(s) in the vessel segment. | [
{
"doc_id": "doc6e7afe84fe31",
"chunk_id": "chunk000008"
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] |
t_019 | A | technical_ex | Is nitroglycerin administered systemically or intracoronarily for QFR analysis? | Intracoronary | [
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{
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] |
t_020 | A | technical_ex | Are ostial left main lesions included in QFR validation studies? | No | [
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] |
t_021 | A | technical_ex | According to the QFR workflow, where should the start-point and end-point be placed for vessel analysis? | Start at ostium of target vessel and end at clear landmark in distal segment of target vessel | [
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{
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] |
t_022 | A | technical_ex | Is hematocrit required for QFR computation? | Yes | [
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{
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{
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] |
t_023 | A | technical_ex | What does the Residual QFR parameter represent in QFR analysis? | A predictive value of the Vessel QFR after treatment (revascularization) of the lesion | [
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] |
t_024 | A | technical_ex | What corrections can be made in the QFR Results step? | Corrections to the lesions by adjusting the lesion markers | [
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{
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] |
t_025 | A | technical_ex | In the QFR Results step, which three parameters are verified in the Physiology tab? | Delta QFR, Residual QFR and Diameter Stenosis % | [
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] |
t_026 | A | technical_ex | In the QFR Results step, which three parameters are verified in the Morphology tab? | Minimal Lumen Diameter, Reference Diameter, and Lesion Length | [
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{
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] |
t_027 | A | technical_ex | What corrections can be made in the QFR Contours step? | Corrections to the start and end points, the pathline and the contours | [
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] |
t_028 | A | technical_ex | What curves are displayed in the Physiology tab of the QFR Results? | The QFR curve and the d(QFR)/ds curve | [
{
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"chunk_id": "chunk000009"
},
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000037"
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] |
t_029 | A | technical_ex | What information is displayed in the Diameter diagram in the Morphology tab? | The minimal, maximal and reference diameter curves along the length of the vessel | [
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"chunk_id": "chunk000011"
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{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000038"
}
] |
t_030 | A | technical_ex | What is the minimum frame rate required for QFR analysis? | 12,5 | [
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000014"
}
] |
t_031 | A | technical_ex | How does the new quantitative bifurcation model differ from previous flat-plane quantitative models? | It uses bent oval planes at the bifurcation core instead of flat planes | [
{
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"chunk_id": "chunk000005"
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"chunk_id": "chunk000003"
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{
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"chunk_id": "chunk000020"
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] |
t_032 | A | technical_ex | In the 3D QCA bifurcation model, which three vessel segments are considered in a coronary bifurcation? | Proximal main vessel, distal main vessel and side branch | [
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"chunk_id": "chunk000005"
},
{
"doc_id": "doc7b681e429c95",
"chunk_id": "chunk000007"
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] |
t_033 | A | technical_ex | Under which condition is QFR measurement considered inaccurate with respect to nitroglycerin administration? | When not administered | [
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"chunk_id": "chunk000004"
},
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000004"
}
] |
t_034 | A | technical_ex | For the Right Coronary Artery (RCA), where should the start point be located in a QFR analysis? | After tip of catheter | [
{
"doc_id": "doc639a7e988eae",
"chunk_id": "chunk000005"
}
] |
t_035 | A | technical_ex | What is the Agatston score of the LAD/LCx shown in the FFRCT computation example? | 2,314 | [
{
"doc_id": "doce0aa34499d3f",
"chunk_id": "chunk000004"
}
] |
t_036 | A | technical_ex | At what frequency and resolution were OCT images recorded in the study comparing 3D QCA and OCT? | 100 frames/s at a resolution of 512 × 512 pixels | [
{
"doc_id": "docf8f69e70bd2a",
"chunk_id": "chunk000004"
}
] |
t_037 | A | technical_ex | What is the reported diagnostic accuracy of FFRQCA for predicting an FFR = 0.80? | 0,88 | [
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"chunk_id": "chunk000016"
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{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000011"
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] |
t_038 | A | technical_ex | What is the maximum time typically required to complete the entire analysis, including 3D QCA and CFD simulation? | <10 min per case | [
{
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{
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"chunk_id": "chunk000007"
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] |
t_039 | A | technical_ex | Which mathematical model is used to approximate the reconstructed 3D arterial vessel centerline? | Bezier Curve | [
{
"doc_id": "docf8f69e70bd2a",
"chunk_id": "chunk000006"
}
] |
t_040 | A | technical_ex | To be included in a 3D reconstruction, side branches must have a diameter at least what fraction of the main vessel diameter? | Larger than one-third of the main vessel diameter | [
{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000005"
}
] |
t_041 | A | technical_ex | What is the definition of the "reference surface" or "reference vessel" in a 3D QCA model? | The computer-reconstructed normal lumen as if the lesion was not present | [
{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000005"
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{
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"chunk_id": "chunk000005"
},
{
"doc_id": "doc639a7e988eae",
"chunk_id": "chunk000011"
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] |
t_042 | A | technical_ex | What anatomical landmark is most commonly used to synchronize and establish correspondence between different imaging modalities or views? | Carina of bifucation | [
{
"doc_id": "docf8f69e70bd2a",
"chunk_id": "chunk000007"
}
] |
t_043 | A | technical_ex | According to the nomenclature, what view is produced if the image intensifier is tilted toward the head of the patient? | Cranial view | [
{
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"chunk_id": "chunk000003"
},
{
"doc_id": "docc2a440c5f1cd",
"chunk_id": "chunk000006"
}
] |
t_044 | A | technical_ex | How is the mean hyperemic volumetric flow rate (VFR) calculated from angiographic data in FFRQCA? | Dividing the lumen volume of the reconstructed coronary tree by the mean transport time on the hyperemic projections | [
{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000006"
}
] |
t_045 | A | technical_ex | What is the reported correlation for lumen area between 3D QCA and IVUS in the 519 distinct positions analyzed? | r = 0.799 | [
{
"doc_id": "docf8f69e70bd2a",
"chunk_id": "chunk000001"
},
{
"doc_id": "docf8f69e70bd2a",
"chunk_id": "chunk000012"
}
] |
t_046 | A | technical_ex | What are the two ways to make X-ray angiography (XA) acquisitions available to QFR for analysis? | Pushed or queried and retrieved | [
{
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"chunk_id": "chunk000016"
},
{
"doc_id": "doc639a7e988eae",
"chunk_id": "chunk000000"
}
] |
t_047 | A | technical_ex | In the QFR Results interface, what color is the index marker and in which other diagrams or views is it simultaneously displayed? | White | [
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000037"
},
{
"doc_id": "doceb909d6b9ee1",
"chunk_id": "chunk000038"
}
] |
t_048 | A | technical_ex | In the n = 77 validation study, what was the reported Sensitivity percentage for FFRQCA? | 78% | [
{
"doc_id": "doce0aa34499d3f",
"chunk_id": "chunk000007"
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{
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"chunk_id": "chunk000011"
},
{
"doc_id": "docd7cb86d8211b",
"chunk_id": "chunk000016"
}
] |
t_049 | A | technical_ex | In the FFRQCA validation study of 77 intermediate coronary lesions, what AUC was reported for minimum lumen area (MLA) for predicting FFR = 0.80? | 0.73 | [
{
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{
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"chunk_id": "chunk000017"
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] |
t_050 | A | technical_ex | Which additional patient-specific parameters are required beyond angiographic images to compute FFRQCA? | Mean arterial pressure at guiding catheter tip and hematocrit | [
{
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"chunk_id": "chunk000004"
},
{
"doc_id": "doc0d9ccadf8ff9",
"chunk_id": "chunk000003"
}
] |
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