223 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Algorithm Forehead Sparing ... = Central cause ... Diagnosis #Algorithm #Causes ... #neurology #sparing
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Pain in Sickle ... predispose to other orthopedic ... common sites: hip, shoulder ... differential #diagnosis #causes
Crank Test for Labral Tear of the Shoulder

To perform the Crank Test, fully abduct the shoulder
Labral Tear of the Shoulder ... fully abduct the shoulder ... Pain, catching, ... open_michigan #Shoulder ... #sports #msk #orthopedics
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Erb's Palsy is caused ... Anterior Shoulder ... Dislocation - May cause ... Myotomes #diagnosis #neurology
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... Reduction Shoulder ... returning the shoulder ... In cases where closed ... PhysicalExam #Procedure #Orthopedics
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... and post-renal causes ... Renal causes of ... AKI should be considered ... #Sites #Nephrology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... rotation of the shoulder ... capsule or bone -> Pain ... #Anterior #Shoulder ... symptoms #msk #orthopedics
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
unilateral flank pain ... proteinuria, RBC casts ... → Refer to Nephrology ... and referral to Urology ... if cause not identified
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... Spine: Lumbar strain ... cholecystitis; • Neurologic ... Differential #Diagnosis #causes