32 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Anterior Shoulder ... Dislocation - May ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Clinicians should ... #hypokalemia #differential ... #nephrology #potassium
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Syphilis (light-near dissociation ... ) • Pharmacologic ... Midbrain (Parinaud's Syndrome ... Diagnosis #Algorithm #Causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... no light-near dissociation ... • Other causes ... #neurology #ophthalmology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
., light-near dissociation ... It is caused by ... #Adies #Pupil #PhysicalExam ... ophthalmology #neurology ... #syndrome
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
Secondary Causes ... hyperviscosity syndrome ... Priapism #Diagnosis #Management ... #Urology #Differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
and paralysis should ... If present, it should ... wasting from other causes ... diagnosis #Algorithm #differential ... #potassium #nephrology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Pulmonary Disease Neurologic ... Myasthenia Gravis Pharmacologic ... Chronic Fatigue Syndrome
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... • Serotonin syndrome ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... syncope (ruling out differential ... life-threatening causes ... further guide management ... Further diagnostics should