30 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... Syndrome Wrist drop ... Dislocation - May cause ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand drop ... sleeping as in this case ... #Palsy #PhysicalExam ... #msk #sports #neurology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... albumin: For every drop ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology ... #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... MetabolicAlkalosis #NonGap #Nephrology ... Differential #Diagnosis #Algorithm ... #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Primary polydipsia, Low ... solute intake, Renal ... #differential #algorithm ... #causes #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Equina Syndrome - Low ... Medical Emergency ... Neuropathy - Foot drop ... Commonly caused ... sensory #motor #leg #physicalexam
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Beer Potomania - Low ... • Renal Failure ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Wrist Drop on Physical Exam - Caused by Radial Nerve Injury

#Wrist #Drop #PhysicalExam #Radial #Nerve #Injury
Wrist Drop on Physical ... Exam - Caused by ... #Wrist #Drop ... #PhysicalExam # ... clinical #video #neurology