…may be displaced upwards (ST segment elevation) or downwards (ST segment depression). The term ST segment deviation refers to elevation and depression of the ST…

…The most common causes of tricuspid regurgitation are as follows: Right ventricular dysfunction due to pressure/volume overload. Right ventricular infarction. Ebstein's anomaly (Figure…

…L) — choose the subcutaneous route if possible, otherwise give IM with a fine needle and 5 minutes of compression. Anticoagulant treatment is not in itself…

…the uterus should be manually displaced to the woman's left side (Figure 1). Additional offloading of the vena cava can be accomplished using a…

…velocities towards the transducer are displayed above the baseline. This image shows a fast and distinct flow (almost 5 m/s) directed away from the…

…are displayed in two groups of three: leads I, II and III and leads aVR, aVL and aVF. Figure 1 shows the traditional presentation of…

…The oesophageal signal is thereby displayed in the V5 channel on the printout. 3. Set the filter: a frequency range of about 15–40 Hz…

…according to type of stenosis. The patients with low flow (stroke volume index <35 ml/m²) and low gradient (<40 mmHg) displayed the worst prognosis…

…resolution movie. The rate of update is described by the technical term frame rate , which is the number of images ( frames ) displayed per second. High…

…stricture or a known diverticulum Relative Recent nasal or pharyngeal surgery Signs that should raise the suspicion of a base of skull fracture: periorbital bruising…

…misplaced stimulation artifacts, irregular pacing, etc. Most cases of malfunction are associated with the electronics in the pulse generator or dislodgement or fracture of the…

…the heart's longitudinal axis (to the left and downwards). Figure 38 shows the coordinate system where the green area displays the range of the…

…12 s, provided that other causes of left axis deviation have been excluded. Causes of extreme axis deviation Rare. Most likely due to misplaced limb…

…with concordant positive T wave in absence of conduction defect. R/S ratio 1 implies that the R wave is larger than the S wave.