103 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
dissociation) • Pharmacologic ... Midbrain (Parinaud's Syndrome ... • Botulism Pharmacologic ... Diagnosis #Algorithm #Causes ... #Ophthalmology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Important Causes ... , Orbital apex syndrome ... URGENT: Brainstem tumor ... Miller-Fisher syndrome ... differential #diagnosis #ophthalmology
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Other Endocrine causes ... Renin producing tumor ... low renin HTN causes ... Deoxycorticosterone tumor
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
SAME, Cushing Syndrome ... Renin secreting tumor ... diuretics, Bartter syndrome ... , Gitelman syndrom ... Diagnosis #Algorithm #causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... , Gitelman's syndrome ... Renin-secreting tumor ... diagnosis #algorithm #causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... ) • 45, XO Turner ... Mayer-Rokitansky-Küster-Hauser ... Irradiation • Tumor ... Diagnosis #Algorithm #Causes
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... Posner-Schlossman Syndrome ... HIA B27-related syndrome ... Differential #Diagnosis #Causes ... #ophthalmology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Polycystic Ovarian Syndrome ... Hyperthecosis • Tumor ... • Cushing's Syndrome ... Tumor Low Serum ... endocrinology #causes
Horner's Syndrome: Loss of sympathetic nervous system input to (in this case) right eye. 
Note that
Horner's Syndrome ... input to (in this case ... was due to tumor ... Images #Clinical #Ophthalmology ... Photo #Horners #Syndrome
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Ramsay Hunt syndrome ... Temporomandibular joint syndrome ... Nerve V: • TMJ syndrome ... • Pharyngeal tumor ... salivary gland tumor