5975 results
Peripheral Nervous System Disorders

1 Anterior Horn Cell
2 Spinal Roots and Nerves 
3 Peripheral Nerve—Mono-neuropathy  
4
#Peripheral #PNS ... #Localization #Diagnosis
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
- Differential Diagnosis ... manipulation - CNS ... MS, Polio - PNS ... #Differential #Diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... -> PNS -> NMJ - ... cryoglobulins • PNS ... #Differential #Diagnosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Scleromyxedema (CNS ... Amyloidosis (CVS+PNS ... #Differential #Diagnosis
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
Miosis Causes - 4 P's ... Organophosphate • Pons ... #differential #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... • May involve PNS ... and CNS • Headache ... Erythematosus #Diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... COP, Chronic Eos PNA ... Consolidation: Pus ... Lymphocytic Int PNA ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Differential Diagnosis Framework

Ring Completeness
 • Incomplete: Demyelinating Disease
 • Complete (MAGIC):
CNS Ring-Enhancing ... - Differential Diagnosis ... valeroldan23 #CNS ... #Differential #Diagnosis
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... Lymphoid (ALL) - PAS ... Lymphadenopathy, CNS ... #Differential #Diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Chorioretinitis • Diagnosis ... + toxo IgG • CNS ... 30% present w/ CNS ... #differential #diagnosis