…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…

…bearing skin. 5. Direct the jet upwards and backwards along the superior wall of the ear canal , past the plug — not straight at it. The…

…site lies about 3–5 cm superior and medial to the anterior superior iliac spine and lateral to the lateral border of the rectus abdominis —…

…individualized within the applicable guideline framework. Combination therapy is based on the complementary mechanisms of drugs from different classes. By acting on more than one…

…ventricle pumps blood against greater resistance, as compared with the left ventricle. Understanding this requires knowledge of the fetal circulation, which is illustrated in Figure…

…function and mechanics. Loading conditions and heart rate may affect left ventricular function. Transesophageal echocardiography (TEE) is superior to transthoracic echocardiography (TTE), although the latter…

…located near the entrance of the superior vena cava in the right atrium (Figure 1). The sinus node is composed of highly specialized cells that…

…ventricle pumps blood against greater resistance, as compared with the left ventricle. Understanding this requires knowledge of the fetal circulation, which is illustrated in Figure…

…present the limb leads in their anatomically contiguous manner; that is, from left superior basal to right inferior. In other words, the following order: aVL…

…PCI is superior to thrombolysis also in this aspect). Guidelines recommend that thrombolysis should result in 50% ST segment return (i.e reduction of the…

…Nonetheless, prompt interventions can reverse cardiac arrest and survivors of traumatic cardiac arrest often exhibit favorable neurological outcomes ( Rawshani et al ). Traumatic cardiac arrests typically…

…Left to right shunt. Right ventricular dysfunction due to pressure/volume overload is the most common cause. Ebstein's anomaly The prevalence of Ebstein's…

…The urgency varies: Object Urgency : : Button battery Immediately — leakage of fluid causes a chemical burn Two or more magnets (including in different nostrils) Immediately — pressure…

…patients, regardless of the type of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such…

…and degree of myocardial involvement The anatomical territory, including anterior, inferoposterolateral or right ventricular involvement Pre existing abnormalities such as prior infarction, left bundle branch…