233 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... Labyrinth: Benign paroxysmal ... oticus), Vestibular paroxysmia ... Central Causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... incompatibility • Paroxysmal ... classification #hematology
Causes of Pediatric Spells - Differential Diagnosis Algorithm
Neonates and Infant Spells:
 • Benign Sleep Myoclonus
 •
Causes of Pediatric ... spells • Benign Paroxysmal ... Vertigo • Benign Paroxysmal ... Diagnosis #Algorithm #Causes
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Differentiating Benign Paroxysmal ... Neuritis-Labyrinthitis BENIGN PAROXYSMAL ... ) • Epley maneuver ... saccade seen) • Epley
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Donath-Landsteiner HA (paroxysmal ... Diagnosis #Table #hematology
Hydrophobia on Physical Examination

Seen in the late stages of rabies.  Caused by painful paroxysmal contractions
Caused by painful ... paroxysmal contractions
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
, C3d ( +/- ) Paroxysmal ... Autoimmune #Hemolysis #hematology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Dysfunction - Nausea ... nystagmus • Benign Paroxysmal ... Diagnosis #Algorithm #Causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Transfusion reaction, Paroxysmal ... Extravascular #Causes ... differential #diagnosis #hematology