Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - 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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differential neurology extremity hyponatremia motor myotomes sensory algorithm arm capillary clarksons disease hyperreflexia hyporeflexia hypotonic leak leg lowerlimb physiologic rhabdomyolysis
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia Focal Hyporeflexia: • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Guillain-Barré syndrome ... Hyperreflexia: • Hypocalcemia ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
Causes of Hyponatremia - Differential Diagnosis Algorithm Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... • Drugs • Pulmonary ... Malignancy True hypovolemia ... #Hyponatremia #Nephrology
Upper Extremity Dermatomes and Myotomes Motor Function Shoulder: • Abduction - C5,C6 (axillary) • Adduction - C6, C7,
Upper Extremity Dermatomes ... Carpal Tunnel Syndrome ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes Reflexes: • Knee - L2, L3, L4 • Ankle - S1
Lower Extremity Dermatomes ... • Cauda Equina Syndrome ... Commonly caused ... #Myotomes #diagnosis ... #motor #leg #physicalexam
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #table #sodium ... #nephrology
Rhabdomyolysis - Differential Diagnosis Framework Rhabdomyolysis = Destruction of skeletal muscle with leakage of contents into circulation.
- Differential Diagnosis ... Neuroleptic malignant syndrome ... Electrolytes: Hypokalemia ... #Causes #nephrology ... #table
Clarkson’s Disease - Capillary leak syndrome Epidemiology: Roughly 150 published cases, Median age 50 years, No sex
Capillary leak syndrome ... 150 published cases ... Hypovolemia: Asthenia ... filling +++ (risk of pulmonary ... #diagnosis #management
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