235 results
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
Index (EI) = D2/D1 ... ” EI > 1 - POCUS ... diagnosis #cardiology #pocus
Anatomy of the Duodenum 
1) Length of the 4 parts
2) Endoscopic landmarks 
3) Lateral view at
Anatomy of the Duodenum ... Lateral view at D1 ... Arterial supply #Duodenum
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
• Higher doses cause ... kidney Dopamine (D1 ... activation • D1 ... cAMP/cGMP • Causes
Pneumoperitoneum from perforated duodenal ulcer on RUQ POCUS

Male with severe RUQ abdominal pain. Answer in thread.
from perforated duodenal ... ulcer on RUQ POCUS ... had perforated duodenal ... as shown in the case ... #ulcer #RUQ #POCUS
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... Dieulafoy lesion • Duodenum ... differential #diagnosis #Causes
Small and Large Bowel Obstruction - Differential (DISTEND HIM)

Diverticulitis 
Inflammatory bowel disease (Crohn’s, UC) 
Surgery (adhesions)
Hirschsprung’s Duodenal ... #Differential #Causes
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Causes of Gallbladder ... Pancreatitis, Perforated duodenal ... Diagnosis #radiology #POCUS
Upper endoscopy revealed a pigmented mass in the duodenal bulb (Panel A) and two additional masses
pigmented mass in the duodenal ... two additional masses ... portions of the duodenum ... Honc #Melanoma #Duodenum
Functional Dyspepsia - Signs, Symptoms and Pathophysiology
Delayed gastric emptying - Postprandial fullness, nausea, vomiting
Hypersensitivity to gastric
Epigastric pain Duodenal ... hypersensitivity - Nausea ... Duodenal acid ... hypersensitivity - Nausea ... Duodenal eosinophilia
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
stomach, or duodenum ... result from other causes ... hemorrhage may also cause ... #Differential #Causes