12 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Reflexes: • Knee ... Commonly caused ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
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
None T7-T12 See Dermatomes ... Abdominal Muscles ... Abdominal Reflex ... Femoral Condyle Knee ... differential #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Erb's Palsy is caused ... UpperLimb #Extremity #Dermatomes ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
neck stiffness causes ... the patient's knees ... clinical #video #physicalexam ... #neurology
Brudzinski's Sign in Meningitis

Severe neck stiffness causes the patient's knees and hips to flex when the
neck stiffness causes ... the patient's knees ... clinical #video #physicalexam ... #neurology
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... patient is in the knee-to-chest ... musculoskeletal symptoms • Hernias ... to incisional hernias ... radicular pain #Rare #Causes
Kernig's Sign in Meningitis

Resistance or pain elicited by passive extension of the knees, thought to be
extension of the knees ... thought to be caused ... clinical #video #physicalexam ... #neurology
Incarcerated Abdominal Hernia on POCUS

Incarcerated hernia causing pain; bowel obstruction causing nausea and vomiting. No additional
Incarcerated Abdominal ... Hernia on POCUS ... obstruction causing nausea ... #Incarcerated #Abdominal ... #clinical #ultrasound
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
of COVID-19 • Neurologic ... Gastrointestinal: Diarrhea, Nausea ... /vomiting, Abdominal ... Urticaria, Vesicles, Pernio-like
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... blood test • Serology ... Skin biopsy • Abdominal ... ultrasound # ... #dermatology #physicalexam