…injection; 25–27 G, 25 mm for the carpal tunnel, de Quervain's and trigger finger. Syringes of 3, 5 and 10 mL, artery forceps…

… cellulitis instead gives a diffuse oedematous picture without a demarcated fluid collection. Ultrasound also shows the depth of the cavity and its distance to vessels…

…sample. Indications Diagnostic paracentesis: Newly detected ascites — always. Every admission of a patient with known ascites. Clinical deterioration in a cirrhotic patient with ascites: fever…