41 results
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... ETIOLOGIES: Infectious ... Hemangiomas • Vocal cord ... Anaphylaxis • Vocal cord ... stenosis #Stridor #differential
Differential diagnosis for pyogenic liver abscess:
Infectious etiologies predominate. Most are pyogenic (bacterial). Amebic (Entamoeba histolytica) and
Differential diagnosis ... : Infectious etiologies ... Most are pyogenic ... Infectious Bacterial ... hepatic #hepatology #Differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Spinal stenosis - Abscess ... Intrinsic Causes: - Infarction ... - Infection ( ... spinal artery infarction ... syndromes #lesions #differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... disc • Epidural abscess ... Infections: - ... TB - Spinal abscess ... Blood Supply: - AVM
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
peritonsillar abscess ... Parainfluenza - Cold ... croup • EBV - Infectious ... Primary acute HIV Infection ... IDSA #diagnosis #differential
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... feel weak": • Infectious ... : CHF, valves, COPD ... Conversion "I am ... Generalized #Weakness #Differential
An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
Retropharyngeal abscess ... Bronchoconstriction: Asthma, COPD ... Consolidation (Infection ... , Infarction) ... Noisy #Breathing #differential
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
Intracranial tumor • Infection ... Encephalitis, Abscess ... , Nutritional UCSD ... Disorders #dementia #differential
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Weakness • Spinal Cord ... (MS), Epidural abscess ... , Infarction, Syringomyelia ... Weakness #Causes #differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Autoimmune (AIHA)"Cold ... (e.g. primary cold ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... Extravascular #Causes #differential