Thoracic Key

PATIENT CASE Print Section Listen A 67-year-old man with a history of type 2 diabetes mellitus (DM) and hypertension presents with chest pain that began the night before while watching…

PATIENT CASE Print Section Listen A 62-year-old man presented with acute chest pain that started with mild physical activity and lasted for more than 45 minutes after rest. His past…

INTRODUCTION Print Section Listen Aorto-ostial lesions (AOL), located at the origin of the right and left coronary arteries and surgical bypass grafts, are of critical clinical importance. These lesions compromise…

INTRODUCTION Print Section Listen Bifurcation lesions remain a challenging topic in interventional cardiology, with multiple approaches and strategies for intervention. Bifurcation lesions account for 15% to 20% of coronary stenoses…

PATIENT STORY Print Section Listen A 38-year-old woman arrived at the emergency department by private car complaining of substernal chest pain and nausea. Symptoms were relieved after administration of 2…

CORONARY VASCULAR ANATOMY AND AUTOREGULATION OF MYOCARDIAL BLOOD FLOW Print Section Listen The coronary vasculature may be artificially divided into 3 compartments: the epicardial vessels, the coronary microvasculature, and the…

PATIENT CASE Print Section Listen A 75-year-old woman was referred to cardiology for evaluation for dizziness. She complains of intermittent dizziness for a year not related to position change, as…

PATIENT CASE Print Section Listen A 72-year-old man with prior tobacco use, hypertension, and type 2 diabetes presented to the emergency department with prolonged chest pain (4 hours in duration)….

PATIENT CASE Print Section Listen A 54-year-old man presents with a 3-month history of progressive chest pain. He describes a band-like retrosternal heaviness that is brought on by walking more…