Dr. Gerald Diaz @GeraldMD
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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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28 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
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 β€’ Abduction - C5,C6 (axillary)
 β€’ Adduction - C6, C7,
hand" Β± Horner Syndrome ... nerve in the radial ... 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
Hypophosphatemia - Differential Diagnosis Algorithm
 β€’ Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 β€’ Redistribution/
- Differential Diagnosis ... depletion: Respiratory alkalosis ... ), Hungry bone syndrome ... #Algorithm #causes ... #nephrology #phosphate
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
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 β€’ Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Low Kidney Phosphate ... , Acute Respiratory ... Alkalosis, Tumor ... #Algorithm #nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 β€’ Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Polyneuropathy, Acute ... stroke, Acute spinal ... Guillain-BarrΓ© syndrome ... #differential #diagnosis ... #table #neurology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... paraproteinemia, acute ... resp. alkalosis ... β€’ Normal or Low ... Workup #phosphate #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... - Metabolic Alkalosis ... #Hypokalemia #diagnosis ... #potassium #nephrology ... #low
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