18 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... sleeping as in this case ... #PhysicalExam # ... #orthopedics #msk ... #sports #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential Diagnosis ... starts by measuring ... Clinicians should ... #nephrology #potassium
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... clinical #video #neurology ... #physicalexam # ... msk #orthopedics ... #sports #hand
Scapular winging on Physical Exam - Bilateral trapezius palsy with lateral scapular displacement.

A young man with
Bilateral trapezius palsy ... young man with shoulder ... spinal accessory injury ... winged #scapula #PhysicalExam ... #neurology #msk
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Trauma/Crush injury ... • NSAIDs • ACE ... #causes #potassium ... #high #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
to Acute Kidney Injury ... AKI) What to ask ... - Urine Na/K/Cl ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... • Trauma/Crush injury ... • NSAIDs • ACE ... #causes #potassium ... #high #nephrology
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
cases there are ... disease and these should ... Non-accidental Injury ... splenomegaly, abnormal neurology ... Peds #Pediatrics #Diagnosis
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , rhabdo/crush injury ... only if no clear cause ... Ca-gluconate or 1g CaCl ... Treatment #potassium #nephrology