· Ballance's Sign - Dullness to percussion in LUQ due to coagulated blood (Splenic rupture)
· Battle Sign - Bruising behind the ears from bleeding in the mastoid sinus (Basilar skull Fracture)
· Beck’s Triad - Muffled heart tones, Hypotension, JVD (Pericardial Tamponade)
· Blumberg's Sign - Rebound tenderness Peritonitis (Appendicitis)
· Brudzinski's Sign - Involuntary flexion of the knees when neck flexed (Meningitis, SAH)
· Chvostek's Sign - Facial twitching when nerve is tapped Hypocalcemia (Pancreatitis)
· Coppernail's Sign - Ecchymosis of the scrotum, labia, perineum (Pelvic Fracture)
· Cullen's Sign - Umbilical Ecchymosis (abdominal organ bleeding)
· Cushing's Triad - Profound Bradycardia, Abnormal Respirations, Widened Pulse Pressure (Increased ICP)
· de Musset's Sign - Rhythmic head bobbing synchronized with heartbeat (Aortic Insufficiency)
· Ewart's Sign - Dullness to percussion, egophony, bronchial breath sounds (Pericardial Effusion)
· Frank's Sign - A diagonal ear crease (CAD)
· Grey-Turner's Sign - Retroperitoneal hematoma (Renal injury)
· Halo Test - Blood from the nose or ear will make a yellow ring or halo around the red blood CSF Leakage (Basilar skull fracture))
· Hamman's Crunch - Crunching sound, synchronous with the heartbeat (Tracheobronchial injury)
· Kehr's Sign - LUQ pain referred to the left shoulder (Spleen injury, Ectopic pregnancy)
· Kernig's Sign - When supine with hip flexed at 90-degree angle, the patient is unable to straighten their leg (Meningitis)
· Kussmaul’s Sign - Elevation of neck veins with inspiration during spontaneous respirations (Cardiac Tamponade)
· Levine’s Sign - Clenched fist over the sternum (AMI)
· Markle Sign - Dropping onto the heel causes RLQ pain (Appendicitis)
· Murphy's Sign - Inability to take deep breaths during palpation of the right costal arch below the hepatic margin (Cholecystitis)
· Obturator Sign - Pain upon flexion and internal rotation of the hip (Appendicitis)
· Psoas Sign - Pain with flexing thigh at the hip (Appendicitis)
· Raccoon's Eyes - Periorbital ecchymosis secondary to intra-orbital bleeding (Basilar skull Fracture)
· Rovsing's Sign - Pressure applied to the LLQ intensifies RLQ pain (Appendicitis)
· Steeple Sign - Subglottic narrowing seen on AP chest x-ray (Croup)
· Thumbprint Sign - Enlarged epiglottis seen on lateral neck x-ray (Epiglottitis)
· Trousseau's Sign - Inflated BP cuff leads to carpopedal spasm (Hypocalcemia)
· Virchow’s Triad - Stasis, Vein damage, Hypercoagulation (Risk of DVT)