21 results
Reproductive Number (R0 "R Naught") showing how contagious / transmissible a pathogen is.  The R0
The R0 for Wuhan ... Ebola) and their case-fatality ... Fatality 2-3% ** 'Ro ... take into account case-fatality ... #Ro #RNaught #Contagious
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... Diagnosis Central Causes ... Meningitis, Cerebellar abscess ... Amy Chung, MD, MSc ... Central #Peripheral #Causes
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
the potential causes ... Metastasis A – Abscess ... eg. tumefactive MS
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Infection: Cellulitis, Abscess ... : - Epidural abscess ... Inflammation/cellulitis/abscess ... lower #extremity #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... ), Epidural abscess ... Neuromuscular #Weakness #Causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Septic Bursitis • Abscess ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
blood vessels • Abscess ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... • Infection (abscess ... CaudaEquina #Syndrome #MSK
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Encephalitis, Abscess ... Amy Chung, MD, MSc ... #differential #causes
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... vast majority of cases ... Then, ask 3 questions ... Assess volume status ... the underlying cause