34 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Sensory Motor Reflex ... None T7-T12 See Dermatomes ... Abdominal Muscles ... Abdominal Reflex ... differential #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... UpperLimb #Extremity #Dermatomes ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Dissociated Abdominal Reflexes on Physical Exam

Absent superficial, present deep abdominal reflexes in a patient with transverse
Dissociated Abdominal ... , present deep abdominal ... #Dissociated #Abdominal ... #Reflexes #neurology ... #reflex #PhysicalExam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
Orbicularis Reflex ... time, and can cause ... delusions and, in some cases ... #PhysicalExam # ... clinical #video #neurology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if ... cause not identified
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Differential Diagnosis Algorithm ... hydronephrosis on U/S) • Reflux ... KidneyDisease #Nephrology ... #Causes
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
Lazarus Reflex on ... Lazarus sign is a reflex ... reported in some cases ... #PhysicalExam # ... clinical #video #neurology
Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm
Generalized/Migratory:
 • Intussusception
 • Gastroenteritis
 • Viral Illness
 •
Pediatric Acute Abdominal ... Differential Diagnosis Algorithm ... Gastroesophageal Reflux ... Differential #Diagnosis #Algorithm ... #Causes #Peds #
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Gag reflex ... • Cough reflex ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose