Vascular interventions
(a) Micropuncture introducer. (b) Angiocatheter. (c) Potts–Cournand needle. (d) Single-wall access needle. Angiographic catheters should be available in sizes ranging from 3 French (usually 40 to 65 cm), to 5…
Abdominopelvic interventions
(a) Due to the location of this surgically created gastrostomy in the proximal fundus, the transgastric jejunostomy tube became coiled in the gastric lumen. Because the stoma is directed toward…
Central venous access
(a) This transesophageal echocardiogram demonstrates the structures that form the inferior margin of the superior vena cava (svc) in the right atrium (ra), including the crista dividens (remnant of the…
Genitourinary interventions
Figure 6.1 The kidney is contained in a tough, fibrous capsule. The relationships of the renal fossa and surrounding structures are illustrated. (a) psoas fascia, (b) renal hilum, (c) renal…
Thoracic interventions
(a) Chiba echo-tip needle (Cook Medical). (b) Yueh centesis sheathed needle (Cook Medical). (c) TFE sheathed needle with trocar stylet (Cook Medical). Figure 3.2 (a) 5 French drainage catheter. (b)…
Hepatobiliary interventions
(a) A dilated duct was identified with US just superficial to a portal vein. In this image, the 22-gauge needle (arrowhead) is advanced into the dilated duct. (b) Initial cholangiographic…
Musculoskeletal and soft tissue interventions
Postprocedure and follow-up care Following the procedure, longitudinal care of the patient should be provided as described elsewhere in this text (e.g., see Chapter 4: “Catheter fixation and drainage” and…
Introduction
(a) Resting some part of each hand against the body surface reduces fatigue and unwanted motion during ultrasound-guided needle access. Obtaining a wide angle (Θ) between the ultrasound transducer and…
