…Thrombosis or known stenosis in the target vessel. Coagulopathy or ongoing anticoagulation: choose a compressible vessel (the internal jugular or femoral vein), not the subclavian…

…subclavian artery. Penetrating atherosclerotic ulcer PAU is focal ulceration of an atherosclerotic plaque that penetrates through the internal elastic lamina into the media. The lesion…

…medial thinning, destruction of muscular and elastic tissue, fragmentation of the internal elastic lamina, and superimposed platelet and fibrin rich thrombus. Lesions preferentially occur at…

…any decision to limit treatment when time allows. There is complete upper airway obstruction where laryngoscopy will not succeed; plan for a surgical airway or…

…the diaphragm, liver, spleen or internal thoracic artery increases. For diagnostic aspiration the point chosen is instead where the ultrasound shows the most fluid, usually…

…the arm is held in slight abduction and external rotation, and the patient resists internal rotation. Check the axillary nerve: sensation over the lateral part…

…The QT interval represents the time between the onset of ventricular depolarization and the end of ventricular repolarization. It reflects the total time the ventricles…

…preventDefault(); // Get form values var hr = parseFloat($(' heart rate').val()); var qt = parseFloat($(' qt interval').val()); var rr = 60 / hr…

…of the P wave, PR interval and PR segment The P wave ECG interpretation usually starts with assessment of the P wave. The P wave…

…This interval represents the total time taken to depolarize and repolarize the ventricles ( Figure 1 ). The length of the QT interval correlates strongly with the…

…normal ECG, normal variants and diagnosis of pathological findings. A total of 8 lessons will guide you through all the waves, intervals, and durations,…