131 results
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
feel weak": • Infectious ... Critical illness, Infection ... ↓, Malignancy, Infection ... Diagnosis #causes #neurology
Myocardial Injury Classification
Chronic myocardial injury: Chronic heart failure, Cardiomyopathy, Hypertension, CKD/ESRD
Acute nonischemic myocardial injury:
 - Primary
illness, Sepsis, Pulmonary ... Acute myocardial infarction ... Type 1 myocardial infarction ... Classification #diagnosis #cardiology ... #troponemia #NSTEMI
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Weakness • Cardio-pulmonary ... Anemia • Chronic Infection ... Dermatomyositis • Viral infection ... Peripheral #Weakness #Neurology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
disease - Post-infectious ... Urinary tract infection ... Classification #diagnosis #nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... allopurinol), Infection ... DAH, rule out infection ... differential #diagnosis #nephrology
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 • Incomplete: Demyelinating Disease
 • Complete (MAGIC):
Glioblastoma - Infection ... Differential #Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... multiple lesions Infectious ... diagnosis #causes #radiology ... #neurology
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
• Tumor • Infection ... • Neoplasm • Infection ... Weakness #Sensory #Neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Differential Diagnosis • Infections ... Differential #Diagnosis #neurology ... #radiology
BEHIND - Stroke Mimics Mnemonic
Brain: Mass, Hemorrhage, Contusion
Epilepsy: Post Ictal State, 
Hyponatremia, Hypogycemia
Intoxication, Infection
Neuro: Migraine, Multiple
Intoxication, Infection ... Mnemonic #CVA #Neurology