…different position or a different vessel. Choice of site Vessel Advantages Disadvantages : : : Internal jugular vein (right) Best ultrasound conditions, a straight course to the superior…

…the head. All drains are inserted within the safe triangle (Figure 1). Outside it the risk of injuring the diaphragm, liver, spleen or internal thoracic…

…mouthful of water and hold it. Advance the electrode at the very moment the patient swallows — the pharyngeal muscles then guide the tip into the…

…and respiratory acidosis, or a markedly increased work of breathing with impending exhaustion. Threatened airway obstruction: inhalation injury, anaphylaxis, deep neck infection, an expanding haematoma…

Procedurer A corticosteroid injection into soft tissue gives rapid but time limited pain relief and rarely alters the natural history of the disease. In lateral…

…Mobitz Type II 2nd AV block B: Prolonged QT interval (QTc ≥ 480 ms for females) C: Incomplete Right Bundle Branch Block (rSR' pattern in lead…

…Checking an intrauterine device or a pessary. Assessment of prolapse. Sampling for a suspected sexually transmitted infection — although chlamydia and gonorrhoea can be tested on…

…Although myocardial ischemia may affect every aspect of the ECG – from heart rhythm to QTc interval – the most prominent and reliable ECG changes occur in…

…sinus rate. In the AV node, adenosine produces a transient, rate dependent prolongation of the A H interval, frequently manifesting as transient first , second , or…

…Short PR interval : The PR interval is <0.12 seconds. Delta wave : depolarization of ventricular myocardium will start where the accessory pathway inserts into the…