Anesthesia Key

Fig. 16.1 Deep cervical plexus anatomy 16.2.1 Patient Positioning Supine with a small towel or pillow under the head, which is turned 45° to the contralateral side with slight neck…

Nerve to be blocked Indications V1: Ophthalmic division Frontal craniotomies Ventriculo-peritoneal shunt Dermoid cyst excision Pigmented nevus excision Ommaya reservoir placements in neonates Scalp lesions V2: Maxillary division, including greater…

Fig. 30.1 Surface anatomy for rectus sheath block Umbilicus Linea semilunaris: the lateral edge of the rectus abdominal muscle 30.1.2.3 Needle Insertion After marking the external layer of the rectus…

Fig. 19.1 Patient positioning and surface landmarks for interscalene brachial plexus block 19.2.1 Patient Positioning The patient lies supine with the head rotated approximately 45° to the nonoperative side after…

Fig. 27.1 Surface anatomy and landmarks for posterior tibial nerve block Fig. 27.2 Surface anatomy and landmarks for deep peroneal nerve block 27.3 Nerve Stimulation Technique The posterior tibial nerve…

Fig. 21.1 Patient positioning and surface landmarks for infraclavicular brachial plexus block Preferably, the patient is positioned supine with a pillow under the shoulder. The arm is adducted and the…

Fig. 22.1 Patient positioning and surface landmarks for axillary block of the brachial plexus The patient is positioned supine with the arm abducted 70–80° and externally rotated, the elbow flexed…

Fig. 4.1 Effects of sterile transparent dressing on image quality and ability to use Doppler ultrasound with curved probes. The Tegaderm dressing maintains image quality and ability to use Doppler…

Fig. 2.1 Schematic of cross section of a spinal nerve 2.2.2 Current Intensity and Duration Whether or not a nerve is stimulated depends on a combination of both the strength…

Fig. 9.1 Major branches of the trigeminal nerve: ophthalmic, maxillary, and mandibular nerves. The roots of the trigeminal nerve arise from the base of the pons and form the Gasserian…