19 träffar

ArticleEchocardiography
Physics of ultrasound

Echocardiography Basic sound and ultrasound physics Unlike light waves, which can propagate through vacuum, sound waves can only propagate through a physical medium. This medium…

ArticleReferensvärden
Intensive care parameters

…aims in themselves. Almost all of them have proved to work better as ranges to stay within than as figures to strive for. Ventilation In…

ArticleCardiology
Heart failure: Introduction

…particularly in light of the improvements in the management of hypertension (coronary heart disease and hypertension are traditionally viewed as the main drivers of heart…

ArticleProcedurer
Endotracheal intubation

…Macintosh blades 3 and 4 as back up, always with the light checked. Tubes in three sizes, a stylet or bougie taken out and shaped…

ArticleProcedurer
Exercise stress test on cycle ergometer

…digitalis effect, marked LVH with ST T changes — is an argument for imaging rather than a conventional exercise test. Preparation and equipment Cycle ergometer with…

ArticleProcedurer
Eye examination and corneal foreign body

…cornea and anterior chamber. Note the pupil size, shape and reaction to light. A teardrop shaped or peaked pupil suggests perforation. Look for hyphaema — blood…

ArticleProcedurer
Foreign body in the ear and nose

…keep still. Sedation is usually better than physical restraint — ketamine provides both immobilisation and less psychological trauma than being held down by three adults. Procedure…

ArticleProcedurer
Lumbar puncture

…A manometer with a three way tap when the opening pressure is to be measured. Four numbered sample tubes, and a light protected tube if…

ArticleProcedurer
Otoscopy and ear syringing

…disposable specula in several sizes. Use the largest speculum that will fit — it gives the most light and the best view. Irrigation: a 30–60…

ArticleProcedurer
Short Synacthen test

…08:00 and 09:00 , with the patient fasting or having had a light breakfast according to local practice. Let the patient rest lying down…

ArticleCardiology
Cardiac amyloidosis

…Amyloidosis Demographic and Clinical Context Cardiac amyloidosis should be suspected in patients older than 65 years presenting with heart failure and increased left ventricular (LV…

ArticleCardiology
Management of bradycardia (bradyarrhythmia)

…in bradycardia (Figure 1). Cardiac output and blood pressure, rather than ECG, are the strongest predictors of adverse outcomes. Non acute or asymptomatic bradycardia Non…