Ramarathnam Krishnakumar

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The left atrium (LA) is the most difficult cardiac chamber to access percutaneously. The route through the systemic venous system across the interatrial septum is mostly preferred to the more retrograde arterial route as larger catheters and devices could be manipulated safely. The transseptal (TS) puncture permits this direct route to the LA through the(More)
BACKGROUND The process of jewellery making involves the goldsmiths working with tiny visual tasks at closer working distances, which demands high visual ability. AIM To establish vision standards for Goldsmiths. MATERIALS AND METHODS Visual task analysis was carried out in different Goldsmith workstations. The minimal visual demands of the jobs were(More)
UNLABELLED We performed Ventilation/Perfusion scans for patients planned for thoracotomy with resection of the primary or metastatic lung tumors. We predicted the post-operative FEV1 (Forced Expiratory Volume in first second) using Differential Lung Analysis software. METHODS 34 patients were evaluated with Ventilation/Perfusion (V/Q) scans. Ventilation(More)
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