13 results
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #Algorithm #Causes ... #OBGyn #Gynecology
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
<35 years old, e.g ... • Functional (e.g ... Stalk Damage (e.g ... #Algorithm #Causes ... #OBGyn #Gynecology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Algorithm Blood ... TTP) • HELLP syndrome ... #Algorithm #Causes ... #Obstetrics #OBGyn
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential #diagnosis ... #table #neurology
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
Causes of Growth ... co-morbidities (e.g ... Genetic disorder (e.g ... #Algorithm #Causes ... #Obstetrics #OBGyn
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
- Differential Diagnosis ... Algorithm Relative ... (e.g Opioids, Alcohol ... Midbrain (Parinaud's Syndrome ... #Algorithm #Causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Algorithm Persistent ... • Fanconi's syndrome ... Protein deposition (eg ... #Proteinuria #Nephrology ... #Algorithm #Causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome ... #Algorithm #causes
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
suggestive of nephrotic sydnrome ... colored compounds (e.g ... heme, bilirubin, etc ... Urine #Microscopy #nephrology ... interpretation #diagnosis
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
(SPS) - Diagnosis ... Prevalence: 1-2 cases ... unit activity on EMG ... of diazepam • EMG ... EMG Studies: