…volume of air is substantial enough to compress the superior and inferior vena cava, impeding or halting venous return to the heart. In instances of…

…Choice of site The posterior superior iliac spine is the standard site for both aspiration and biopsy in adults. Here the posterior part of the…

…Fibrillation) Bleeding Risk Score is a clinical tool designed to estimate the risk of major bleeding in patients with atrial fibrillation (AF) undergoing anticoagulation therapy…

…risk (1 point) S troke (1 point) HEMORR₂HAGES Score Risk category Incidence of major bleeding (per 100 patient years) 0 Low 1.9 1 Low…

…septum. The left atrium is activated passively. The upper boundary of this circuit may be located either anterior or posterior to the superior vena cava…

…standard due to superior efficacy over monophasic devices. Electrode position (anterior posterior vs. antero lateral) does not affect success, but active compression of the pads…

…even in the absence of classic ST elevation. Multiple studies have demonstrated the superior sensitivity of OMI criteria—including subtle and nontraditional ECG patterns such…

…of them are easy to use and require very little calculation. Sensitivity and specificity vary markedly, as discussed in detail in the articles on left…

…ultrasound conditions, a straight course to the superior vena cava, compressible if bleeding occurs, low risk of pneumothorax Uncomfortable for an awake patient, harder to…

…with a high BMI, and that the deltoid injection is placed too high — which causes the shoulder injury known as SIRVA. Both are avoided with…