…is generally assumed to be zero, yielding the simplified ratio of mean distal coronary pressure to mean aortic pressure. FFR ranges from 0 to 1…

…e stenosis localized in the valve), subvalvular (stenosis proximal to the valve) or supravalvular (stenosis distal to the valve). Valvular pulmonic stenosis can be caused…

…rest pain in the foot or leg, or a non healing distal ulcer. Before compression treatment of a leg ulcer — compression in arterial insufficiency can…

…A IMH: involves the ascending aorta. Type B IMH: involves the descending aorta distal to the left subclavian artery. Penetrating atherosclerotic ulcer PAU is focal…

…as the “six Ps”: Pain Paresthesia Pallor Pulselessness Poikilothermia, or coldness Paralysis Pain is often severe and is located distal to the arterial obstruction. Paresthesia…

…commonly, retrograde. Distal re entry tears may allow blood to return to the true lumen, whereas disruption of the adventitia can result in rupture. An…

…intervention: lesion preparation; selection of stent diameter and length; identification of the proximal and distal reference segments; assessment of stent expansion and apposition; recognition of…

…The clinical consequences depend on: The severity and location of stenosis Distal bifurcation involvement Coexisting multivessel disease The extent of jeopardized myocardium Left ventricular systolic…

…exceeding those seen with native vessel PCI. Mechanisms The principal mechanism is distal embolization of atheromatous and thrombotic material. Plaque or thrombus may be dislodged…

…diagnostic angiography. Collateral vessels may maintain distal perfusion and permit visualization of the vessel beyond the occlusion when the patent donor artery is injected. The…