Vascular interventions

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more

Abdominopelvic interventions

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more

Central venous access

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more

Genitourinary interventions

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more

Thoracic interventions

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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)…

read more

Hepatobiliary interventions

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more

Introduction

Mar 29, 2017 by in PEDIATRIC IMAGING Comments Off on 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…

read more
Get Clinical Tree app for offline access