12 results
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... was a complex I deficiency ... MarkMamloukMD #Leigh #Syndrome ... #Clinical #MRI ... Brain #Diagnosis #Radiology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Encephalopathy, Cobalamin Deficiency ... Pons: ODS #MRI ... Differential #Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... diagnosis #causes #radiology ... #neurology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
= high-output state ... Workup for cause ... point thiamine deficiency ... AorticRegurgitation #Diagnosis #PhysicalExam ... Fingernails #Nailbed #Cardiology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
After this it starts ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... endocrine: Vitamin B12 deficiency ... dystrophies Work ... EMG) studies • MRI ... Differential #Diagnosis #neurology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Suppression of VT, Stable ... Acute coronary syndrome ... , Post-MI, Heart ... • Indications: Stable ... Table #Receptors #cardiology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... MRI was ordered ... diagnosed with MS, and started ... #PhysicalExam # ... ophthalmology #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
The patient was started ... valacyclovir TID and started ... The MRI findings ... ophthalmology #physicalexam ... #neurology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
+ ANC < 500 → start ... full infectious work-up ... days → add fungal work-up ... TLS (tumor-lysis syndrome ... interventional radiology