Browsing Tag

cardiothoracic

Epiaortic Ultrasound (EAS)

As part of traditional cardiac surgeries, the aorta can be extensively manipulated - especially when performing arterial cannulation and applying the aortic cross-clamp. This can dislodge plaques systemically leading to strokes and other…

The Heart’s Fibrous Skeleton

There’s a complex yet beautiful architecture within the heart's fibrous skeleton and valvular geometry. To become a proficient perioperative echocardiographer, one must understand these spatial relationships in three dimensions and the…

Starling Forces – Hydrostatic and Oncotic Pressures

"Starling forces" describe the movement across capillaries as a balance between hydrostatic and oncotic pressure gradients within the capillary and in the surrounding interstitium. Filtration across the capillary membrane occurs along its…

What Is Pleurodesis?

Pleurodesis is a procedure aimed to obliterate the intrapleural space and is performed for recurrent malignant/non-malignant effusions and recurrent pneumothorax. 

What Is An Impella?

Impella® is a percutaneous axial heart pump placed retrograde across the aortic valve into the left ventricle (LV) utilizing fluoroscopy +/- echocardiography. Its indications include high risk percutaneous coronary intervention (PCI,…

What Is Cardiopulmonary Bypass (CPB)

This post outlines the steps in traditional, central cannulation for cardiopulmonary bypass (CPB). Depending on the nature of the surgery and patient's comorbidities, other sites are often cannulated (left heart bypass, femoral-femoral…