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Did #aorticDissection with valve sparing #DavidV in young patient with type A and anomalous right coronary artery from the left coronary sinus. Rei planted the RCA with #Cabrol Vein Graft to Ascending Aorta. Thanks to Corey Herman and the rest of the team for the great help!

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PHOTON COUNTING CT AND A NEW CONCEPT OF NORMAL CORONARY ARTERIES For more than 2 decades we have been performing Cardiac CT with constant improvements in all parameters (spatial, temporal and contrast resolution). The improvements were progressive in certain fields and steep in other (e.g.: the introduction of Dual Source CT that completely changed the range of temporal resolution achievable basically overnight and still is the most important source of flexibility in Cardiac CT scanning after almost 20 years). Spatial resolution instead was improved in a slow and progressive way until the test EID CT generations that achieved a spatial resolution of 250 microns. This allowed us to assess a coronary artery tree and define it as normal when no apprentice changes were visibile up to that value. But we know that the normal thickness of coronary artery walls is quite below that threshold. It is more in the range of 80-200 microns. Therefore, the very early changes in coronary artery wall thickness could not be picked up by EID CT technology. With the introduction of PCCT we can constantly achieve 100 microns spatial resolution which means that we work extol in range in which coronary artery disease starts. It also means that we don't see any thickening of the the coronary artery walls we have a much higher specificity and reliability. This concept is a transformative one because it allows us to shift earlier and earlier the beginning of atherosclerosis in our patients and think even more precisely in terms of cardiovascular prevention and monitoring. Movie: example of normal coronary artery tree with PCCT. A new era is coming into practice and it is the age of Photon Counting CT which pushes this boundaries further away. PCCT is a NEW Imaging Modality. PCCT is changing the game, the field, the language, the priorities and in the end it will change the entire infrastructure of diagnostic medicine. PS: note that PCCT images have to be reduced in resolution when uploaded in social media. #CardiacImaging #MedicalInnovation #StentAssessment #Radiology #PCCT #photoncounting #QuantumHD #CT #computedtomography #yesCCT #coronaryarterydisease #ischemia #naeotomalpha #Peak #Pro #Prime #speed #cardiac #highresolution #siemenshealthinners #CardiacCT #PhotonCountingCT #MedicalImaging #HeartHealth #CardiovascularInnovation #Radiology #AIInMedicine

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Your heart has four tiny doors that never sleep — opening and closing with such perfect rhythm that you don’t even notice they’re working. But these valves are the real architects of every heartbeat. Let’s walk through them in the exact sequence your blood travels: ⸻ 1️⃣ Aortic Valve The final checkpoint before blood enters the body’s main highway — the aorta. This valve handles the highest pressure in the entire heart, snapping shut with power and creating the iconic S2 sound. Every time it opens, it sends freshly oxygenated blood to every cell, every organ, every thought you’ve ever had. A true powerhouse, silent but strong. ⸻ 2️⃣ Pulmonary Valve Before blood can breathe, it must pass through the pulmonary valve. It opens to let the right ventricle push blood into the pulmonary artery and onwards to the lungs for oxygenation. A calm, efficient gatekeeper that makes sure your blood gets its “fresh air break” before returning to the heart again. ⸻ 3️⃣ Tricuspid Valve Three leaflets, one simple job — let blood flow from the right atrium to the right ventricle. This valve prevents backflow and maintains the smooth entry of deoxygenated blood. Often underrated, rarely dramatic, but absolutely essential in keeping the right side of your heart steady and stable. ⸻ 4️⃣ Mitral Valve Two leaflets, maximum pressure. Known as the most elegant valve, the mitral sits between the left atrium and left ventricle, allowing oxygen-rich blood to enter the strongest chamber. A high-performance valve with a reputation — prolapse, regurgitation, murmurs… it knows how to grab clinical attention. ⸻ Together, these four valves create the perfect one-way journey for your blood — a cycle that repeats 100,000 times a day, quietly keeping you alive. Your heartbeat is not just a sound; it’s the choreography of Aortic → Pulmonary → Tricuspid → Mitral, working in flawless harmony. #HeartValves #AorticValve #PulmonaryValve #TricuspidValve #MitralValve #Cardiology #PureMedicine #MedicalReels #AnatomyExplained #MedStudentLife #DoctorContent #HeartAnatomy #ClinicalMedicine

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