10 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... Chikungunya - Herpes virus ... Reactive Syndrome - Acute ... #diagnosis #msk
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus ... - Anti-HBe - Acute ... (about 10% of cases ... False-positive; less ... Interpretation #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Diagnosis Framework ... cause unknown) ... ○ Epstein-Barr virus ... Herpes simplex virus ... Herpes zoster virus
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... of acute flaccid ... Differential diagnosis ...  Myasthenia gravis ...  West Nile virus
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
) Acute autoimmune ... , Epstein-Barr virus ... immunodeficiency virus ... HIV), and Zika virus ... and sensitive tests
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
fatiguable chewing, loss ... PCB variants of GBS ... /Edrophonium test ... aspiration and acute ... #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpes simplex virus ... Varicella-zoster virus ... Nile virus (WNV ... Snowshoe Hare virus ... Symptoms: • Acute
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Nile virus) - ... Miller-Fisher GBS ... lymphoma OTHERS - Acute ... #Differential #Diagnosis ... #Causes #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
not swollen or less ... negative, MOG-IgG test ... Nile virus - ... Herpes simplex virus ... #management #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... nerve injury (25%) TEST ... nerve injured (less ... internal rotation and varus ... Posterior #Injury #msk