43 results
REBEL Review 99: Serotonin Syndrome via Yosuf Alam, MSIV

Presentation: Altered mentd status, Seizures, Myoclonus, Hypertension, Hyperthermia
99: Serotonin Syndrome ... Hyperthermia (most common cause ... confirmatory lab tests ... serotonergic drugs and ... SerotoninSyndrome #management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... " ± Horner Syndrome ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... • Cauda Equina Syndrome ... Commonly caused ... Dermatomes #Myotomes #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord infarct • HIV ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... • Iliotibial band ... #lower #extremity ... #msk #physicalexam
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... extend • Possible associated ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Staphylococcus-associated GlomeruloNephritis - Diagnosis and Management Summary
CLINICAL
 • Nephritic syndrome (Casts)
 • Marked proteinuria (may be
and Management ... • Nephritic syndrome ... • No serologic tests ... GlomeruloNephritis #nephrology ... #diagnosis #management
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... Hypokalemia - Shift ... renal Fanconi syndrome ... #differential #diagnosis ... #nephrology #Causes
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
- Differential Diagnosis ... and Management ... Shift of extracellular ... Heme associated ... #causes #treatment
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
- Extremely lean ... patient is in the knee-to-chest ... with nausea and ... radicular pain #Rare #Causes ... #differential #diagnosis