…A non B dissection , which involves the arch without involvement of the ascending aorta or represents retrograde extension from the descending aorta into the arch…

…small intimal disruptions in approximately 20%–60% of cases. These disruptions may initiate or complicate the haematoma. IMH most frequently involves the descending thoracic aorta…

…mm (ascending aorta, aortic arch) All individuals 60 mm (descending aorta) All individuals Risk factors : previous dissection, family history of dissection, severe aortic regurgitation or…

…The pulsed Doppler beam can be positioned using color Doppler (to visualize the direction of flow) and continuous Doppler (to locate the maximum flow velocities)…

…symptomatic arrhythmia. Symptomatic severe aortic stenosis. Decompensated heart failure. Acute pulmonary embolism or deep vein thrombosis. Acute myocarditis, pericarditis or endocarditis. Acute aortic dissection. Physical…

…vary substantially between individuals depending on the magnitude of the stressor, the presence of non cardiac comorbidities, and the extent of underlying coronary artery disease…

… the slope of the descending limb is slightly steeper than the ascending limb. A rather detailed reference regarding the direction of T waves follows: I…

…Administration of thrombolysis requires careful consideration of absolute and relative contraindications (discussed below), and assessment of differential diagnoses; cardiac tamponade, aortic aneurysm and aortic dissection…

…apposition, edge dissections, and endothelial coverage. Complementary Characteristics IVUS and OCT are complementary rather than interchangeable. IVUS generally provides better visualization of overall vessel dimensions…

…depending on e.g the type of pacemaker, intrinsic cardiac activity, etc. The cardinal manifestation of pacing on surface ECG is the stimulation artifact (Figure…