73 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Flexion - C6, C7 (median ... • Mexion - C8 (median ... opp - C8, T1 (median ... spared in this injury ... Dermatomes #Myotomes #diagnosis
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... #Hyperplasia #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Nerve palsy • Medial ... Fasciculus (MLF) Iniury ... Skew Deviation Casey ... #Localization #ophthalmology ... #differential #diagnosis
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... #Workup #Hematology ... #Diagnosis * ... Hall Textbook of Medical
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
endocarditis, in this case ... of an infected radial ... Photo credit, Josh ... Images #Clinical #Photo ... #Dermatology #SkinRash
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
In more severe cases ... breaks through the medial ... fracture of the medial ... These injuries are caused ... #Diagnosis #Orthopedics
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
nucleus of the medial ... concept suggests an injury ... We have varied causes ... The video was provided ... #ophthalmology
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( ... stricture/valves Meatal ... /phimosis #Diagnosis ... Acute #Kidney #Injury
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
- Differential Diagnosis ... Tumors (SCC) • Dermatologic ... Ear: • Otitis Media ... #Differential #Diagnosis ... #Algorithm #Causes
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
vs Venous Blood Gases ... infection, nerve injury ... digital ischemia, injury ... often requires serial ... Comparison #pH #pCO2 #Diagnosis