Surface Anatomy Figure Surface Landmarks: Upper body anterior view of face, neck, and upper chest Surface Landmarks: Upper body profile view of face, neck, and upper chest Surface Landmarks: Upper body including chest, torso, and upper arms Surface Landmarks:…
Long Thoracic Nerve Ultrasound transducer position to image the long thoracic view Ultrasound image of long thoracic nerve Ultrasound image of labeled long thoracic nerve Cross sectional anatomy of labeled long thoracic nerve Key: ASeM – Anterior Serratus Muscle…
Introduction “Almost all cases of hernia, with the possible exception of those in young children, could undoubtedly be subjected to the radical operation under local anesthesia.” This quote by Harvey Cushing reported in the Annals of Surgery in 1900 illustrates…
For most studies, investigators have particular research questions that they would like to address. For instance, an investigator may wonder whether a new drug can prolong postoperative analgesia after total knee arthroplasty (TKA). Null and alternative hypotheses are declarative statements…
Many commercial software programs can handle all but the most esoteric statistical tests with simple clicks on a computer keyboard. There are even YouTube videos that show which buttons to click and when. Unfortunately, there is little emphasis on the reasoning that must be applied when choosing among the array of procedures that might be appropriate to address a study’s specific research objectives, and there is almost no mention of the importance of quality data collection and management. This month’s Statistics in small doses draws on actual examples from a recent review of study protocols and papers, and serves as a recap of previous “doses.”
Figure 1: Needle and transducer position to block the superficial cervical plexus using a transverse view. Essentials Indications: carotid endarterectomy, superficial neck surgery Transducer position: transverse over the midpoint of the sternocleidomastoid muscle (posterior border) Goal: local anesthetic spread around…
Intravenous Regional Block for Upper and Lower Extremity Surgery Based on Hadzic’s Textbook of RAPM 2nd Ed 2017 Kenneth D. Candido, Anthony R. Tharian, and Alon P. Winnie INTRODUCTION The technique of intravenous regional anesthesia (IVRA), or “Bier block,” was…
Vertebral Artery Ultrasound transducer position to image the vertebral artery in the longitudinal view Ultrasound image of the vertebral artery longitudinal view Ultrasound image of the vertebral artery with labeled additional labeled anatomy longitudinal view Key: ScA – Subclavian…
Descriptive anatomy of the lumbosacral spine: The lower extent of the spinal cord, the conus medullaris (1) ends in the adult at approximately L1. The line between the iliac crests, Tuffier’s line, most often crosses through the L4 spine. A…