51 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... axillary nerve ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
1 Minute Neuro Hand Examination - "Check your Six" Mnemonic

A simple way to test the peripheral
the peripheral nerve ... Ask your patient ... bobvarkey #Minute #Neurology ... #Nerve #innervation ... Physicalexam #clinical
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Examination Left hand ... sleeping as in this case ... PhysicalExam #clinical ... #orthopedics #msk ... #sports #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... the cause of hypokalemia ... • Skin and/or ... #algorithm #causes ... #nephrology #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... #Differential #Diagnosis ... #Algorithm #causes ... potassium #low #nephrology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • Medial ... Iniury • One-and-a-half ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Algorithm Hypovolemia ... tubal acidosis and ... #Algorithm #Causes ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... as arrhythmias and ... wasting from other causes ... #diagnosis #Algorithm ... differential #potassium #nephrology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... of the anterior and ... Case description ... Differential diagnosis ... #diagnosis #msk
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... The median nerve ... middle finger. 2) Ask ... patient to relax the hand ... #PhysicalExam