34 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Ulnar Nerve ... #Pathologies #differential ... #diagnosis #Neuropathy ... #anatomy #arm # ... innervation #neurology
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
- Common Presentations ... Injury • Claw ... Hand - Ulnar Nerve ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... night palsy" is a common ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... extend thumb] most common ... syndrome, ligamentous injury ... Posterior long arm ... Radiology #XRay #Diagnosis
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
Spinal Cord Injury ... by Nerve Root Levels ... Flexion None T1 Ulnar ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... may be affected (commonly ... pulmonary #Diagnosis ... #Dermatology #Rash ... Palpable #Algorithm #Differential
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash - Diagnostic ... Pustules more commonly ... Vesiculobullous lesions are ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... tumour B cells are ... symptoms not as common ... pathophysiology #Hematology ... #differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
eosinophilia (common ... causes are asthma ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and the aPTT are ... deficiency in the common ... #differential # ... hematology #coagulation