44 träffar

ArticleCardiology
Myocardial Perfusion Imaging With SPECT and PET

…Definition and Clinical Purpose Myocardial perfusion imaging (MPI) with single photon emission computed tomography (SPECT) or positron emission tomography (PET) is a radionuclide based method…

ArticleProcedurer
Nasogastric tube

Procedurer The insertion itself is rarely the difficult part — it is the confirmation of the position that determines whether the tube is safe. A misplaced…

ArticleEchocardiography
The ultrasound transducer

…the ultrasound machine creates an image of the tissues. Thus, the principle of ultrasound imaging is simple: sound waves are sent into the tissue and…

ArticleProcedurer
Endotracheal intubation

Procedurer What determines the outcome of an emergency intubation is rarely the laryngoscopy itself but what was done before it: how well the patient was…

ArticleEchocardiography
Performing Echocardiographic Examinations

…tip, using the thumb and the forefinger, while remaining fingers stabilize the grip. The transducer tends to glide out of position due to the gel…

ArticleProcedurer
Dix–Hallpike test and Epley manoeuvre

…A single central feature is enough to proceed with urgent investigation , and a normal CT of the brain does not exclude an infarction in the…

ArticleLungmedicin
Acute severe asthma in adults: quick reference

…oedema and mucus plugging. Expiratory flow limitation causes air trapping and dynamic hyperinflation. The consequences are increased work of breathing, exhaustion and, in the most…

ArticleProcedurer
Bone marrow aspiration and biopsy

…What usually ruins the examination is not the technique but the handling of the specimen — an aspirate that clots before the smears are made is…

ArticleProcedurer
Casting and immobilisation

…that position until the cast has set. 2. Pull on the stockinette so that it extends a few centimetres beyond the planned ends of the…

ArticleProcedurer
Central venous catheter

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

ArticleProcedurer
Gastric lavage and activated charcoal

…equipment for confirming the position. For gastric lavage: a wide bore orogastric tube (Ch 28–32 in an adult), a funnel or a lavage system…

ArticleProcedurer
Gynaecological examination and cervical smear

…or ruptured membranes in pregnancy — a speculum may be used, but not digital examination until the position of the placenta is known. Recent gynaecological surgery…

ArticleProcedurer
Joint aspiration

…important indication and an emergency procedure . An unclear arthritis, as part of the diagnostic work up. Haemarthrosis after trauma. A symptomatic effusion causing pain or…

ArticleProcedurer
Laryngeal mask and difficult airway

…kills because the tube would not pass, but because the team keeps trying to intubate instead of changing the plan. The aim is always oxygenation…

ArticleProcedurer
Lumbar puncture

…a lumbar puncture is rarely the needle itself. It is the decision whether to perform it now or after imaging, how the patient is positioned…

ArticleProcedurer
Pleural aspiration and chest drain

…below the upper border of the fluid, but never below the ninth rib . Procedure Ultrasound localisation 1. Scan in the position in which the patient…

ArticleProcedurer
Reduction of dislocations

…afterwards whether a nerve injury was caused by the injury or by the treatment. Indications A clinically or radiologically confirmed dislocation of the shoulder, elbow…

ArticleProcedurer
Transcutaneous and transvenous pacing

…2. Position the pads, preferably anteroposteriorly : one anteriorly over the praecordium to the left of the sternum, the other on the back between the left…

ArticleEchocardiography
Pericardial Effusion & Cardiac tamponade

…in particular computed tomography (DT) and/or magnetic resonance imaging (MRI). Anatomy of the pericardium The pericardium consists of a parietal layer and a visceral…

ArticleMyocardial ischemia and infarction
Posterior acute myocardial infarction (STEMI)

…the left in the thorax. This positions the basal portion of the left lateral wall posteriorly in thorax (Figure 1). This area is most frequently…