…and sterile gel. Chlorhexidine in alcohol 5 mg/mL for skin disinfection. Allow it to air dry completely before puncture. Maximal barrier precautions: cap, mask…

…Often painless (neuropathy) Surrounding skin Hyperpigmentation, oedema, lipodermatosclerosis, eczema Pale, hairless, atrophic, cold Dry, hyperkeratotic Pulses Palpable Weak or absent May be palpable despite ischaemia…

…a biopsy for direct immunofluorescence). Suspected cutaneous vasculitis, lymphoma or granulomatous disease. A treatment resistant rash without a definite diagnosis. Choice of technique Diagnostic question…

…Dark skin: a risk of permanent hypopigmentation. Areas with poor circulation, above all the lower leg in a patient with peripheral arterial disease or diabetes…

…that can cause life threatening compromise of the airway, breathing or circulation. Skin symptoms may be absent, and circulatory shock does not have to be…

…edge or a fold presses on a bony prominence until the skin breaks down. An acute, fresh injury is therefore immobilised in a backslab or…

…these measurement points are the skin electrodes. Thus, the electrical potential difference is the difference in the electrical potential detected by two (or more) electrodes…

…along the skin tension lines and make it long enough — as a rule of thumb, along the whole length of the abscess or at least…

…and in people under 18 years of age, where iso BMI or percentile charts should be used. Waist circumference Measure the waist between the lowest…

…the periosteum that hurts, not the skin. Aspiration needle (iliac crest or sternal needle with stylet) and a Jamshidi type biopsy needle. Syringes: a small…