Sivasankaran Sivasubramonian, DM, MD

Sizing Balloon-Induced Tear of the Atrial Septum

08/01/2008

Sivasankaran Sivasubramonian , DM, MD;

Sivadasan Pillai Harikrishnan , MD, DM;

Namboodiri K.K. Narayanan , MD;

Atrial septal defects (ASD) are increasingly being subjected to closure by percutaneous techniques.1–3 Exact sizing of the ASD is a prerequisite for optimal selection of the occlusion device. Sizing of ASDs can be done by echocardiography...

Atrial septal defects (ASD) are...

08/01/2008

Journal of Invasive Cardiology

Clinical Images

Role of Diastology in Transcatheter Aortic Valve Implantation

02/24/2018

Arun Gopalakrishnan , MBBS, MD, DM;

Sivasankaran Sivasubramonian , DM, MD;

Bijulal Sasidharan , DM;

Ajitkumar Valaparambil , DM;

Transient elevation of LV diastolic pressure above LA pressure can occur in severe aortic regurgitation in the diastasis phase. Mitral E wave reversal in such a situation could serve as non-invasive evidence of elevated left ventricular...

Transient elevation of LV...

02/24/2018

Journal of Invasive Cardiology