72 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... Anterior Shoulder ... sensory #motor #arm #physicalexam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Defining the cause ... Clinicians should ... differential #diagnosis #algorithm
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
Causes of Pediatric ... Differential Diagnosis Algorithm ... Aspiration • GE Reflux ... Vascular Compression Syndrome ... #Causes #Peds #
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
Passively adduct the shoulder ... to 90 degrees, flex ... Supraspinatus #Tear #Shoulder ... #PhysicalExam # ... video #sports #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
oticus (Ramsay Hunt syndrome ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc ... Differential #Diagnosis #algorithm
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
for Piriformis Syndrome ... Flex the hip ... #Piriformis #syndrome ... clinical #video #physicalexam ... #msk #sports #orthopedics
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome ... Management #Emergency #Algorithm
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
frequently benign causes ... such as reflex ... carotid sinus syndrome ... life-threatening causes ... Further diagnostics should
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... and paralysis should ... If present, it should ... wasting from other causes ... suggests extra-renal causes
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
this specific case ... middle finger. 2) Ask ... the patient to relax ... Hoffmanns #Sign #Reflex ... video #neurology #PhysicalExam