43 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Gl tract loss (Diarrhea ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... potassium #low #nephrology
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Manifestations of Serotonin Syndrome ... • Ophthalmologic ... Gastrointestinal: Diarrhea ... ucsdim #Serotonin #Syndrome
Simultagnosia on Physical Exam (Balint Syndrome)

The patient can recognize objects one at a time but cannot
Physical Exam (Balint Syndrome ... Simultagnosia #Balint #Syndrome ... clinical #video #neurology ... #ophthalmology
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All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
About Horner's Syndrome ... Horner's syndrome ... and discovered a syndrome ... #Overview #Ophthalmology ... #Diagnosis #Neurology
Opsoclonus Myoclonus Ataxia Syndrome (OMAS) on Physical Exam

Dancing eyes and dancing feet in an adult [Aka-
Myoclonus Ataxia Syndrome ... myoclonus ataxia syndrome ... Myoclonus #Ataxia #Syndrome ... clinical #video #neurology ... #ophthalmology
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Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... losses (NG suction, diarrhea ... Diagnosis #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Cerebral salt wasting syndrome ... losses, Vomiting, Diarrhea ... Stress, Drugs, Syndrome ... • Nephrotic syndrome ... Algorithm #Causes #nephrology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Malabsorption, Chronic diarrhea ... alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FGF-23: Fanconi syndrome ... Workup #phosphate #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
volume loss - diarrhea ... • nephrotic syndrome ... Workup #Algorithm #Nephrology