Polymorphs are not mythical, chimeric beasts—they are substances with identical chemical compositions but differing crystal ...

A larger study with more cases and controls could possibly identify more risk factors for clot formation that, perhaps, have a weaker association to clot formation than AF. TTE is not as sensitive ...

Background Clot formation on cardiac device leads is poorly understood. We sought to determine how often clot is seen on device leads by transthoracic echo (TTE), identify risk factors ...