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

…surrounding skin. Eye protection and gloves for the operator. Explain before treatment that it stings intensely during thawing, that a blister (sometimes a blood blister…

…is a clinical diagnosis. Treat as anaphylaxis in any of the following: 1. Acute onset of skin or mucosal symptoms , for example generalised urticaria, itching…

…and more heat production — a risk of burns Document the distal neurovascular status before casting : sensation, motor function, pulses and capillary refill. Check the skin…

…ECG curves (diagrams). For some purposes (e.g. diagnosis of some arrhythmias) it is not always necessary to analyze all leads, as the diagnosis can…

…in the skin or subcutis. Pilonidal abscess, hidradenitis abscess and paronychia with a collection of pus. Persistent painful induration after a few days of antibiotics…

…lowest rib and the iliac crest, at the end of expiration, with the tape horizontal and without compressing the skin. Ratios and other measurements Measurement…

…the skin. Aspiration needle (iliac crest or sternal needle with stylet) and a Jamshidi type biopsy needle. Syringes: a small 5–10 mL syringe for…

… gloves where there is a risk of blood contact. An alcohol or chlorhexidine swab. Let the skin dry completely before inserting the needle — alcohol carried…

…10 mL for smaller joints. Local anaesthesia of the skin and subcutis where needed, lidocaine 10 mg/mL. Sample tubes: an EDTA tube for the…