Dr. Gerald Diaz @GeraldMD
23.1M 13.7K 7.2K
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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20 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Algorithm Forehead ... nerve palsy) ... #Algorithm #Causes ... #neurology #sparing
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... sleeping as in this case ... #Nerve #Palsy # ... clinical #video #orthopedics ... #msk #sports #neurology
β–Ί
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 β€’ Abduction - C5,C6 (axillary)
 β€’ Adduction - C6, C7,
nerve in the radial ... Saturday night palsy ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Localizing Extraocular Movement Disorders
 β€’ CN Ill (Oculomotor) Nerve Palsy 
 β€’ CN IV (Trochlear) Nerve
Palsy β€’ CN IV ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 β€’ Normal Acid-Base: Low intake
 β€’ Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... β€’ Thus a PIN palsy ... palsy recovers there ... #diagnosis #neurology ... #orthopedics
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 β€’ High Al, Low R - Primary aldosteronism
 β€’ High Al, High
Hypokalemia Differential Diagnosis ... Algorithm Hypertensive ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 β€’ Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... Beer Potomania - Low ... #Algorithm #causes ... #nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 β€’ Focal: Simple, Complex
 β€’ Generalized: Absence,
Causes of Seizures ... - Epilepsy: β€’ Focal ... vasoconstriction syndrome ... #Algorithm #Causes ... #neurology
Adie's Pupil
What? Unknown nature & benign
 β€’ Regular and mildly dilated pupil (4-6mm);
 β€’ Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : β€’ CN Ill Palsy ... dissociation β€’ Other causes ... #PhysicalExam #neurology