50 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... symptoms (HA, nausea ... , liver, renal disease ... #EM #IM #Nephro ... Differential #Algorithm #Ddxof
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
and Differential Diagnosis ... RBC’s, RBC/WBC casts ... intrinsic renal disease ... #EM #IM #Urology ... Differential #Algorithm #Ddxof
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Motor Nerves: ALS ... #differential #diagnosis ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... axial T1 and T2 Treatment ... #causes #neurology
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... as 5-10% bacteremic ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
pain, sciatica, saddle ... Commonly caused ... fibular neck such as ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
annulus fibrosus Middle ... fractures: Don't cause ... or neurologic deficit ... Cauda equina Treatment ... #Orthopedics #diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... PT, aPTT(liver disease ... (CVID, WAS), (neurologic ... - Bone marrow evaluation ... not required in all
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Hydroxyapatite Deposition Disease ... Case description ... on all sequences ... - Limits evaluation ... • Treatment for
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
is important, as ... early diagnosis ... and treatment can ... Inflammatory causes ... BEE #Syndromes #neurology