24 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... palsy" is a common cause ... Anterior Shoulder Dislocation ... - May cause axillary ... sensory #motor #arm #physicalexam
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Shoulder reduction ... following a shoulder dislocation ... In cases where closed ... #MSK #PhysicalExam ... clinical #video #dislocation
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Interscalene Brachial Plexus Nerve Block
Uses in the Emergency Department:
Plexus Nerve Block Uses ... mid-humerus fracture, reduction ... of shoulder dislocation ... ultrasound #anesthesia #pocus
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Supraclavicular Brachial Plexus Nerve Block
Uses in the Emergency Department:
Plexus Nerve Block Uses ... Emergency Department: reduction ... fractures and elbow dislocations ... ultrasound #anesthesia #pocus
Anterior Shoulder Dislocation and Reduction on POCUS

Shoulder scan, convex transducer, top of screen is posterior for
Anterior Shoulder Dislocation ... POCUS Shoulder ... Anterior #Shoulder #Dislocation ... #Reduction #POCUS ... ultrasound #msk #radiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
atrial myxoma, pulmonary ... Atrioventricular dissociation ... Differential #Diagnosis #PhysicalExam ... #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
waves indicate AV dissociation ... block, or, as this case ... #AWaves #Neck #PhysicalExam ... Clinical #Video #Cardiology
Lancisi's sign in Severe Tricuspid Regurgitation - Physical Exam
Note the large systolic jugular venous wave caused
jugular venous wave caused ... IJ vein seen on POCUS ... Regurgitation #PhysicalExam ... #Cardiology #Neck
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
on: - ongoing production ... injury in the production ... / hypoxemia -> focus ... output - Acute pulmonary ... source of lactate production
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
2,3-DPG and a reduction ... shifts the oxygen dissociation ... Phosphate is a cause ... the hemoglobin dissociation ... pathophysiology #pulmonary