…a reflection of right atrial activation and the second half is a reflection of left atrial activation. This is shown in Figure 1 (upper panel)…

…palpitations, back pain and selected cases of upper abdominal pain. An ECG recording costs approximately $10 (10€) and may reduce morbidity and mortality substantially in…

…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…

…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…

…heaviness, burning, or discomfort in the chest and may extend to the arms, shoulders, neck, jaw, upper back, abdomen, or epigastrium. Dyspnoea, nausea, vomiting, diaphoresis…

…arms, neck, jaw, upper back, and abdomen, as well as dyspnea and nausea (anginal equivalents) [7]. Clinicians must consider both cardiac and non cardiac etiologies…

… a higher threshold may be considered individually in ongoing ischaemia Upper gastrointestinal bleeding that has been stabilised 70 g/L — a more liberal strategy gives…

…the right atrium. Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium…

…a reflection of right atrial depolarization and the second half is a reflection of left atrial depolarization. This is shown in Figure 3 (upper panel)…

…the right atrium. Meanwhile, deoxygenated blood in the superior vena cava (which returns blood from the head and upper limbs) also enters the right atrium…