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Thorax
Published in David Heylings, Stephen Carmichael, Samuel Leinster, Janak Saada, Bari M. Logan, Ralph T. Hutchings, McMinn’s Concise Human Anatomy, 2017
David Heylings, Stephen Carmichael, Samuel Leinster, Janak Saada, Bari M. Logan, Ralph T. Hutchings
A 58-year-old woman is admitted to the Emergency Department with severe chest pain. Electrocardiography and radiological examination provide evidence of a significant myocardial infarction (heart attack) and accumulation of fluid within the pericardial cavity (cardiac tamponade). Emergency aspiration of the fluid (pericardiocentesis) is performed. Based on the surface anatomy, which of the following locations might be the safest for the needle to be inserted in this procedure?Triangle of auscultation.Left sixth intercostal space just lateral to the sternum.Right third intercostal space 2 cm lateral to the sternum.Right seventh intercostal space in the mid-axillary line.Left fifth intercostal space in the mid-clavicular line.
The Bladder (BL)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
CAUTION: One of several acupuncture points (including LU 2; ST 11-ST 18; KI 22-KI 27; GB 21; and BL 41-BL 50) through which deep needling can cause pneumothorax.1 Because this point lies near the triangle of auscultation, the risk of entering the lung increases.
Upper Limb
Published in Rui Diogo, Drew M. Noden, Christopher M. Smith, Julia Molnar, Julia C. Boughner, Claudia Barrocas, Joana Bruno, Understanding Human Anatomy and Pathology, 2018
Rui Diogo, Drew M. Noden, Christopher M. Smith, Julia Molnar, Julia C. Boughner, Claudia Barrocas, Joana Bruno
The deltoid and teres minor are both innervated by the axillary nerve after it emerges from the quadrangular space (Table 4.1; Plate 4.7b). The superior border of the quadrangular space is the inferior border of the teres minor, the lateral border is the surgical neck of the humerus, the medial border is the long head of the triceps brachii, and the inferior border is the superior border of the teres major. This quadrangular space should not be confused with the two triangles of the back, the triangle of auscultation, and the lumbar triangle. The triangle of auscultation (Plate 4.6) is bounded by the latissimus dorsi, trapezius, and rhomboid major, and is clinically important as a site where relatively thin musculature makes it easier to hear the sounds produced by the lungs with a stethoscope. The lumbar triangle is bounded by the latissimus dorsi, external oblique, and iliac crest and, in rare cases, is the site of a lumbar hernia. In many mammals, the deltoid has three heads, which can sometimes be distinguished in humans; the anterior, lateral, and posterior fibers are respectively involved in flexion, abduction, and extension of the arm. However, contraction of the full muscle in humans mainly contributes to a single function: the abduction of the arm, particularly after the supraspinatus begins arm abduction (i.e., mostly after first 15°). The function of the teres minor—lateral rotation of the arm—is similar to one of the functions of the more posterior (dorsal) head of the deltoid of many mammals, so in a way the teres minor of humans kept one of the original functions of the deltoid complex.
Effects of rhomboid intercostal plane block for postoperative analgesia after thoracoscopic surgery compared with local anesthetic infiltration: A randomized clinical trial
Published in Egyptian Journal of Anaesthesia, 2022
Heba F Toulan, Rehab Abdelfattah Abdelrazik
Rhomboid intercostal block (RIB) is a novel easy block that is less dangerous than the thoracic epidural. RIB is used in a region known as the triangle of auscultation on the scapula’s medial edge. This region is defined by the latissimus dorsi, scapula’s medial margin, and trapezius muscle’s lower border. RIB is carried out by injecting the upper intercostal muscle plane as well as below the rhomboid muscles. Elsharkawy et al. utilized it in the case of suffering from numerous rib fractures for pain relief [6].