Abdominal pain, nausea and vomiting

Abdominal pain Microchapters
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Causes Diffuse Abdominal Pain Left Upper Quadrant Left Flank Left Lower Quadrant Epigastric Quadrant Umbilical Region Pelvic Region Right Upper Quadrant Right Flank Right Lower Quadrant Intraperitoneal Extraperitoneal
Differentiating Abdominal pain from other Diseases
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Amandeep Singh M.D.[2],Iqra Qamar M.D.[3]

Abbreviations: RUQ= Right upper quadrant of the abdomen, LUQ= Left upper quadrant, LLQ= Left lower quadrant, RLQ= Right lower quadrant, LFT= Liver function test, SIRS= Systemic inflammatory response syndrome, ERCP= Endoscopic retrograde cholangiopancreatography, IV= Intravenous, N= Normal, AMA= Anti mitochondrial antibodies, LDH= Lactate dehydrogenase, GI= Gastrointestinal, CXR= Chest X ray, IgA= Immunoglobulin A, IgG= Immunoglobulin G, IgM= Immunoglobulin M, CT= Computed tomography, PMN= Polymorphonuclear cells, ESR= Erythrocyte sedimentation rate, CRP= C-reactive protein, TS= Transferrin saturation, SF= Serum Ferritin, SMA= Superior mesenteric artery, SMV= Superior mesenteric vein, ECG= Electrocardiogram

Disease Clinical manifestations Diagnosis Comments Symptoms Signs Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Acute suppurative cholangitis RUQ + + + + − − − − + + + N Abnormal LFT WBC >10,000 Ultrasound shows biliary dilatation/stents/tumor Septic shock occurs with features of SIRS Acute cholecystitis RUQ + − + + − − − − − − − Hypoactive Hyperbilirubinemia Leukocytosis Ultrasound shows: Gallstone Inflammation Murphy’s sign Acute pancreatitis Epigastric + − + ± − − − − ± − − N Increased amylase / lipase Ultrasound shows evidence of inflammation CT scan shows severity of pancreatitis Pain radiation to back Chronic pancreatitis Epigastric − − ± ± − + + − − − − N Increased amylase / lipase Increased stool fat content Pancreatic function test CT scan Calcification Pseudocyst Dilation of main pancreatic duct Predisposes to pancreatic cancer Pancreatic carcinoma Epigastric − − + + − + + − − − − N ↑ Alkaline phosphatase ↑ serum bilirubin ↑ gamma-glutamyl transpeptidase ↑ CA 19-9  MDCT with  PET/CT MRI Skin manifestations may include: Bullous pemphigoid Cicatricial pemphigoid Migratory superficial thrombophlebitis (classic Trousseau's syndrome) Pancreatic panniculitis Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments Cholelithiasis RUQ/Epigastric ± − ± ± − − − − − − − Normal to hyperactive for dislodged stone Leukocytosis Ultrasound shows gallstone Fatty food intolerance Peptic ulcer disease Diffuse ± − + − − − + Gastric ulcer- melena and hematemesis Duodenal ulcer- melena and hematochezia Positive if perforated Positive if perforated Positive if perforated N Ascitic fluid LDH > serum LDH Glucose < 50mg/dl Total protein > 1g/dl Air under diaphragm in upright CXR Upper GI endoscopy for diagnosis Gastritis Epigastric ± − + − − − Positive in chronic gastritis + − − − N H.pylori infection diagnostic tests Endoscopy H.pylori gastritis guideline recommendation Gastroesophageal reflux disease Epigastric − − ± − − − − − − − − N N Gastric emptying studies Esophageal manometry Endoscopy for alarm signs Gastric outlet obstruction Epigastric − − ± − − − + − − − − Hyperactive Complete blood count Basic metabolic panel Abdominal x-ray- air fluid level Barium upper GI studies- narrowed pylorus Succussion splash Gastroparesis Epigastric − − + − − − + − ± − − Hyperactive/hypoactive Hemoglobin Fasting plasma glucose Serum total protein, albumin, thyrotropin (TSH), and an antinuclear antibody (ANA) titer HbA1c Scintigraphic gastric emptying Succussion splash Single photon emission computed tomography (SPECT) Full thickness gastric and small intestinal biopsy Dumping syndrome Lower and then diffuse − − + − − + + − + − − Hyperactive Glucose challenge test Hydrogen breath test Upper GI series Gastric emptying study Postgastrectomy Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments Acute appendicitis Starts in epigastrium, migrates to RLQ + Positive in pyogenic appendicitis + − − ± − − Positive in perforated appendicitis + + Hypoactive Leukocytosis Ct scan Ultrasound Positive Rovsing sign Positive Obturator sign Positive Iliopsoas sign Acute diverticulitis LLQ + ± + − + ± − + Positive in perforated diverticulitis + + Hypoactive Leukocytosis CT scan Ultrasound History of constipation Infective colitis Diffuse + − ± − − + − + Positive in fulminant colitis ± ± Hyperactive Stool culture and studies Shiga toxin in bloody diarrhea PCR CT scan Bowel wall thickening Edema Viral hepatitis RUQ + − + + − Positive in Hep A and E + − Positive in fulminant hepatitis Positive in acute + N Abnormal LFTs Viral serology US Hep A and E have fecal-oral route of transmission Hep B and C transmits via blood transfusion and sexual contact. Liver abscess RUQ + + + + − ± + − + + ± Normal or hypoactive CBC Blood cultures Abnormal liver function tests US CT Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments Pyelonephritis Unilateral + ± + − − − − − + − − Hypoactive Urinalysis Urine culture Blood culture CT MRI CVA tenderness Renal colic Flank pain − − + − − − − − − − − N Hematuria Ultrasound CT scan Colicky abdominal pain Dysuria Small bowel obstruction Diffuse + − + − + − + − + + ± Hyperactive then absent Leukocytosis with left shift indicates complications Abdominal X ray Dilated loops of bowel with air fluid levels Gasless abdomen "Target sign"– , indicative of intussusception Venous cut-off sign" – suggests thrombosis Volvulus Diffuse - − + − + − − − Positive in perforated cases + + Hyperactive then absent Leukocytosis CT scan and abdominal X ray U shaped sigmoid colon "Whirl sign" Biliary colic RUQ − − + + − − − − − − − N ↑ bilirubin and alkaline phosphatase Ultrasound Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments Mesenteric ischemia Periumbilical Positive if bowel becomes gangrenous − + − − + + + Positive if bowel becomes gangrenous Positive if bowel becomes gangrenous − Hyperactive to absent Leukocytosis and lactic acidosis Amylase levels D-dimer CT angiography SMA or SMV thrombosis Also known as abdominal angina that worsens with eating Acute ischemic colitis Diffuse + ± + − − + + + + + + Hyperactive then absent Leukocytosis Abdominal x-ray Distension and pneumatosis CT scan Double halo appearance, thumbprinting Thickening of bowel May lead to shock Ruptured abdominal aortic aneurysm Diffuse ± − + − − − + + + − − N Fibrinogen D-dimer Focused Assessment with Sonography in Trauma (FAST)  Unstable hemodynamics Intra-abdominal or retroperitoneal hemorrhage Diffuse ± − ± − − − − + + − − N ↓ Hb ↓ Hct CT scan History of trauma Disease Abdominal Pain Fever Rigors and chills Nausea or vomiting Jaundice Constipation Diarrhea Weight loss GI bleeding Hypo- tension Guarding Rebound Tenderness Bowel sounds Lab Findings Imaging Comments Torsion of the cyst RLQ / LLQ − − + − − − − − − ± ± N ↑ ESR ↑ CRP Ultrasound Sudden onset & severe pain Cyst rupture RLQ / LLQ − − + − − − − − + ± ± N ↑ ESR ↑ CRP Ultrasound Ruptured ectopic pregnancy RLQ / LLQ − − + − − − − − + + + N Positive pregnancy test Ultrasound History of Missed period Vaginal bleeding Pneumonia RUQ/LUQ + + + − − ± − − + − − Normal or hypoactive ABGs Leukocytosis Pancytopenia CXR CT chest Bronchoscopy Shortness of breath Cough Myocardial Infarction Epigastric ± − + − − − − − Positive in cardiogenic shock − − N Cardiac enzymes ECG Echocardiogram Wall motion abnormality Wall rupture Septal rupture Chest pain, tightness, diaphoresis Complications: Arrythmias Mitral regurgitation Ventricular wall rupture Septal rupture