​Differential Diagnosis of Diffuse Aches and Pains

Differential Diagnosis of Diffuse Aches and Pains • Sjögren’s syndrome • Rheumatoid arthritis (RA) • Postviral arthralgias/myalgias • Polymyalgia rheumatica • Paraneoplastic syndrome • Overuse syndromes • Myopathy (polymyositis, dermatomyositis) • Metabo


​Differential Diagnosis of Achilles Tendon Rupture

Differential Diagnosis of Achilles Tendon Rupture • Partial rupture of gastrocnemius muscle, often medial head (previously thought to be “plantaris tendon rupture”) • Incomplete (partial) tendo Achillis rupture


​Differential Diagnosis of Lactic Acidosis

Differential Diagnosis of Lactic Acidosis • Streptozocin • Shock (hypovolemic, cardiogenic, endotoxic) • Severe congestive heart failure (CHF) • Severe anemia • Sepsis • Seizure activity • Salicylates • Respiratory failure (asphyxia) • Nucleoside reverse



​Differential Diagnosis of Left Lower Quadrant Abdominal Pain

Differential Diagnosis of Left Lower Quadrant Abdominal Pain •vasculitis •inguinal hernia •neoplasm •appendicitis •adhesions •inflammatory bowel disease (IBD) •perforated descending colon, •cyst, tubo-ovarian abscess •mittelschmerz •endometriosis, semi


​Differential Diagnosis of Left Upper Quadrant Abdominal Pain

Differential Diagnosis of Left Upper Quadrant Abdominal Pain •hiatal hernia • Vascular: ruptured aortic aneurysm • Trauma • Splenic: splenomegaly, ruptured spleen, splenic abscess, splenic infarction • Renal: calculi, pyelonephritis, neoplasm • Pulmonary


​Differential Diagnosis of Medical Causes of Abdominal Pain

Differential Diagnosis of Medical Causes of Abdominal Pain • inflammatory disease (PID) • Urinary tract infection, pyelonephritis, salpingitis, pelvic • Strain or hematoma of rectus muscle • Sickle cell crisis • Ruptured graafian follicle • Pancreatitis •


​Differential Diagnosis of Periumbilical Abdominal Pain

Differential Diagnosis of Periumbilical Abdominal Pain • Vascular: mesenteric thrombosis, dissecting aortic aneurysm • Trauma • Pancreatic: pancreatitis • Metabolic: uremia, diabetic ketoacidosis (DKA) • Irritable bowel, anxiety • Intestinal: small bowel


​Differential Diagnosis of Poorly Localized Abdominal Pain

Differential Diagnosis of Poorly Localized Abdominal Pain • uraemia, • Somatization disorder, malingering, hypochondriasis, Munchausen’s syndrome, functional • Referred pain: • Pulmonary: pneumonia, pulmonary embolism, pneumothorax • actue intermittent