…in healthy individuals, a tension pneumothorax arises when the volume of air is substantial enough to compress the superior and inferior vena cava, impeding or…

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

…concomitant drug/alcohol use. Some studies suggest HAS BLED has comparable or slightly superior predictive capability for major bleeding compared to ATRIA. ORBIT: Includes factors…

…bleeding risk prediction in AF patients, the HAS BLED score demonstrated superior predictive performance compared to both HEMORR₂HAGES and ATRIA. The HAS BLED score had…

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

…post shock bradycardia, and use of biphasic defibrillators , which are standard due to superior efficacy over monophasic devices. Electrode position (anterior posterior vs. antero lateral…

…ST elevation. Multiple studies have demonstrated the superior sensitivity of OMI criteria—including subtle and nontraditional ECG patterns such as De Winter T waves, Wellens…

…useful tool for detecting hypertrophy/dilatation but echocardiography and magnetic resonance imaging (cardiac MRI) are superior to the ECG in terms of sensitivity and specificity…

…Choice of site Vessel Advantages Disadvantages : : : Internal jugular vein (right) Best ultrasound conditions, a straight course to the superior vena cava, compressible if bleeding occurs…

…or an arm circumference above 35 cm, a 38 mm needle is required to reach the deltoid muscle. With a 25 mm needle the dose…

…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…

…artery, which runs on the posterior aspect of the rectus muscle along its lateral border and is the commonest source of serious bleeding after paracentesis…

…adherence, although prospective outcome trials have not directly established that upfront combination therapy is superior to upfront monotherapy for every patient with isolated hypertension. Single…

…in the pulmonary circulation, which explains why the left ventricle is much larger (ventricular volume and muscle mass) than the right ventricle. Refer to Figure…

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

…intrinsic automaticity The sinus node is a small oval structure located near the entrance of the superior vena cava in the right atrium (Figure 1)…

…in the pulmonary circulation, which explains why the left ventricle is much larger (ventricular volume and muscle mass) than the right ventricle. Refer to 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…

…treated with thrombolysis, because reperfusion may be inadequate and/or transient with thrombolysis therapy (PCI is superior to thrombolysis also in this aspect). Guidelines recommend…

…sac impedes venous return to the right atrium. Similarly, in tension pneumothorax, the elevated intrathoracic pressure obstructs the venous return via the superior and infer

…Three dimensional (3D) echocardiography should be considered in laboratories with expertise; 3D imaging is superior to 2D for estimating right ventricular volumes. Cardiac MRI is…

…or inflammation around the object. A small, smooth or transparent object lying posteriorly or superiorly. Attempts already made and failed elsewhere. A child who cannot…

…of the type of oral anticoagulant used. Studies have shown that it performs similarly or superiorly to other bleeding risk assessment tools, such as HEMORR2HAGES…

…neck or lower jaw. Discomfort may extend superiorly as far as the occipital region but typically does not radiate below the umbilicus. Epigastric or subxiphoid…