17 results
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 ... • Provocative Tests ... absent anal wink test ... #differential # ... diagnosis #causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... #UpperLimb #Extremity ... sensory #motor #arm ... #physicalexam
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
neurocognitive disorders ... ... laboratory tests ... Alzheimer - 1st cause ... Aphaso-apraxo-agnosia syndrome ... MNCD #Dementia #Differential
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... - Differential ... Non-compressive Spinal Cord Causes ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Vasculitis - Collagen disorders ... deficiency Work ... Fecal occult blood test ... #dermatology #physicalexam
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
disorders caused ... formed or don’t work ... Neutropenia • Platelet Disorders ... Workup: • Complete ... blood count with differential
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... cascade is intact - test ... von Willebrand syndrome ... discern these causes ... tests (if not already
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
pathology and muscle disorders ... may mimic an LMN disorder ... form part of the differential ... LMN syndromes are ... positive Babinski reflex
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
an autoimmune disorder ... proximal weakness, arms ... life-threatening Differential ... Bedside: ice pack test ... /Edrophonium test