11 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... Hypothyroid • Pregnancy ... #Hematology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
potentially be an acute ... Abdominal Pain: • Pregnancy ... pain • Ectopic pregnancy ... aneurysms • Acute ... #Diagnosis #gastroenterology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Idiopathic JAK-2 Positive ... Family History, early ... #Hematology
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
IBD, age > 70, pregnant ... Few infectious causes ... of acute gastroenteritis ... 196 (1.5%) had a positive ... #gastroenterology
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... head in dependent position ... or at work) - acute ... postpartum #Diagnosis ... #Dangerous #Deadly
Nausea and Vomiting - Differential Diagnosis Algorithm

Upper Gastrointestinal - Acute
 • Infectious Gastroenteritis
 • Gastric/Duodenal Obstruction
- Differential Diagnosis ... Gastrointestinal - Chronic ... /Metabolic • Pregnancy ... Monoxide • Heavy Metal ... #Differential #Diagnosis
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
- Differential Diagnosis ... arteries) • Pregnancy ... disorders - Chronic ... significantly positive ... : • Acute Coronary
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
pancreatic imaging: Chronic ... Pancreatic atrophy, Acute ... Rheumatological disorders, Chronic ... #differential #diagnosis ... #causes #gastroenterology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
100%, then all positive ... > incidence in chronic ... = incidence in acute ... Lead-time bias: early ... #calculations #diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
Chronic CPP Crystal ... shaped • Weakly ... positively birefringent ... Gout #Comparison #rheumatology ... #Diagnosis