4 results
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Differential Diagnosis Algorithm ... • Vanishing Testes ... Hypothalamic: • Functional ... (e.g. eating disorder ... Constitutional delay
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
includes the complete analysis ... Clarity Dipstick test ... • Urinary casts ... with normal renal function ... leucocyte-esterase #urine #UNa #casts
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Summary Meta-Analysis ... Proves cause-effect ... proportion of cases ... Incidence: No of new cases ... Prevalence: total No of cases
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
Differential Diagnosis Algorithm ... normal axis Non Functional ... Misalignment before casting ... • Premature cast ... #Orthopedics #Causes