65 results
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... Bucket with the drain ... #Diagnosis #Algorithm ... #nephrology
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
episodes usually cause ... Lateral Sclerosis (ALS ... Strokes, Traumatic Brain ... #differential # ... diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Pons: ODS #MRI ... #Disorders #Clinical ... #Differential # ... Diagnosis #Radiology ... #Neurology
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Cardiomyopathy - Diagnosis ... and Causes Clinical ... Echocardiography, Cardiac MRI ... : Amyloidosis (AL ... #Causes #differential
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Autoimmune (SLE/APLS ... heart valves • MRI ... brain for cerebral ... in up to 30% of cases ... often seen • MRI
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
There is also fragmentation ... • MRI is more sensitive ... tibial tuberosity Differential ... #mri #clinical ... #Radiology #diagnosis
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Diagnosis Framework ... Rhabdomyolysis, Critical ... Polyneuropathy, ALS ... #Diagnosis #causes ... #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... life-threatening Differential ... Myotonic dystrophy - Brain ... Generalized fatigue - ALS ... AchR antibodies: first
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Case description ... prior signs or clinical ... surgeon had a clinical ... Differential diagnosis ... Tendon Sheath - Nodular