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clinical applications of cardiac ct

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Clinical Applications of Cardiovascular Computed Tomography Dr. Muhammad Ayub, FCPS Diplomate Certification Board of Nuclear Cardiology Diplomate Board of Cardiovascular Computed Tomography Department of Cardiovascular Imaging Punjab Institute of Cardiology Lahore

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  • 1. Dr. Muhammad Ayub, FCPS Diplomate Certification Board of Nuclear Cardiology Diplomate Board of Cardiovascular Computed Tomography Department of Cardiovascular ImagingPunjab Institute of Cardiology Lahore

2. Cardiac CTTechnical considerations Spatial Resolution 0.4mm Temporal Resolution85ms-200ms Contrast 70-100ml Radiation6-13 msv 3. Cardiovascular CT+ Noninvasive Fast Calcium Scoring 3D anatomic information Can see beyond lumen (atheroma imaging) 4. Cardiovascular CT_ Contrast Radiation Limited spatial resolution Limited Temporal Resolution(Requires slow heart rate) No hemodynamic information Technical Artifacts Limitation in patients with high coronary calcium 5. Types of studies Without contrast (Calcium Scoring) Contrast studies (CT Angiography) 6. Calcium Scoring 7. Coronary Calcium Scoring 8. CT Coronary Angiography 9. Appropriateness Criteria 10. Pre test Probability for CADLow Probability (80 bpm) and irregular HR High calcium scores (>800-1000) Stents Contrast requirements (Cr > 2.0 mg/dl) Small vessels (


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