– Thoracic

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Thoracic

  Azygous vein runs along the right side and dumps into superior vena cava   Thoracic duct runs along the right side, crosses midline at T4–5, and dumps into left subclavian vein…

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– Pancreas

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Pancreas

  Head (including uncinate), neck, body, and tail   Uncinate process – rests on aorta, behind SMV   SMV and SMA – lay behind neck of pancreas   Portal vein – forms behind the…

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– Liver

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Liver

  Hepatic artery variants •  Right hepatic artery off superior mesenteric artery (#1 hepatic artery variant; 20%) courses behind pancreas, posterolateral to the common bile duct •  Left hepatic artery off left gastric…

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– Stomach

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Stomach

  Stomach transit time 3–4 hours   Peristalsis – occurs only in distal stomach (antrum)   Gastroduodenal pain sensed through afferent sympathetic fibers T5–10   Blood supply •  Celiac trunk – left gastric, common hepatic…

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– Esophagus

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Esophagus

  Mucosa (squamous epithelium), submucosa, and muscularis propria (longitudinal muscle layer); no serosa   Upper ⅓ esophagus – striated muscle   Middle ⅓ and lower ⅓ esophagus – smooth muscle   Vessels directly off…

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– Critical Care

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Critical Care

  MAP = CO × SVR, CI = CO/BSA   Kidney gets 25% of CO, brain gets 15%, heart gets 5%   Preload – left ventricular end-diastolic length, linearly related to left ventricular…

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– Head and Neck

Jun 24, 2017 by in GENERAL SURGERY Comments Off on – Head and Neck

  Anterior neck triangle – sternocleidomastoid muscle (SCM), sternal notch, inferior border of the digastric muscle; contains the carotid sheath   Posterior neck triangle – posterior border of the SCM, trapezius muscle,…

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