19 results
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... <35 years old, e.g ... • Functional (e.g ... #Amenorrhea #Differential
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Amenorrhea - Differential ... Gonadal Dysgenesis (e.g ... Gonadal Dysgenesis (e.g ... • Functional (e.g ... #OBGyn #Gynecology
Causes of Growth Discrepancy: Large for Gestational Age - Differential Diagnosis Algorithm
Maternal Factors:
 • Multiparity
 •
co-morbidities (e.g ... • Post-partum hemorrhage ... Genetic disorder (e.g ... Cerebral palsy secondary ... #Obstetrics #OBGyn
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... #PostPartum #Hemorrhage ... #PPH #Differential ... #Obstetrics #OBGyn
Ruptured Tubal Ectopic Pregnancy on Pelvic Ultrasound

Young female.  Lower abdominal pain/VB.  UCG pos. Soft
Diagnosis/differential ... Pelvis Sag See thread ... assume that acute hemorrhage ... Ultrasound #clinical #OBGyn ... #Obstetrics #Sagittal
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Wave Inversions - Differential ... inversion syndrome Secondary ... #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... Diagnosis Secondary ... deficiency, hemolysis, hemorrhage ... inflammatory disorders (e.g
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... IATROGENIC DISEASE Secondary ... • Malignancy (e.g ... OTHER RARE CAUSES ... #Diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Pathologic fracture secondary ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... Retroperitoneal hemorrhage ... #Diagnosis #causes