…In fact, studies have shown that LBBB is the most common cause of false activations of the catheterization laboratory. LBBB may mask (conceal) ongoing ischemia…

…media. Blood then propagates along the wall, creating a true lumen and a false lumen separated by an intimal flap. Propagation may be antegrade or…

…with normal ST segments, whereas isolated ST depression in a woman with a low pre test probability is usually a false positive. Indications Evaluation of…

…haemorrhage within the aortic media without an identifiable communication between the aortic lumen and the haematoma and without a visible intimal flap or false lumen…

…patients with a very low probability of obstructive CAD, testing may generate false positive results and unnecessary downstream procedures. In patients with a high probability…

…intramural haematoma. Spontaneous coronary artery dissection is defined as spontaneous dissection of the coronary artery wall with accumulation of blood within the false lumen, which…

…Interference with Platelet Function Test for Heparin Induced Thrombocytopenia (HIT): False negative results in platelet function tests (including HIPA test) for HIT have been reported…

…roughly two thirds of ICDs implanted for reduced LVEF never deliver an appropriate shock, so the false positive burden is substantial. Alternative modalities — cardiac MRI…

…to higher levels of troponin being detected with conventional assays. False positive elevations of troponin are rarely explained by such interference ( Bularga et al ). Age…

…also prevent ischemia from occurring during exercise stress testing, which leads to false negative stress tests. Studies have shown that if the myocardium obtains 30…