11 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
correctly diagnose a case ... that any given case ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue ... NPV #Formulas #Statistics
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Myelofibrosis Stem cell damage ... Chemotherapy • Radiation ... Diagnosis #Algorithm #Causes
A quick infographic on the importance of sun protection and the various results of sun damage
results of sun damage ... light that can damage ... #sun #damage #UV ... #wavelengths #causes ... Cancer statistics
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Statistical ... Chickenpox Other Causes ... deficiency • Irradiation ... Differential #Diagnosis #causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... , burning pain radiating ... prevent permanent damage
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Hypothalamic-Pituitary Stalk Damage ... Sheehan's Syndrome • Radiation ... Diagnosis #Algorithm #Causes
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Turner syndrome • Savage ... Mayer-Rokitansky-Küster-Hauser ... • Surgery • Irradiation ... Diagnosis #Algorithm #Causes
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Mechanisms: • Direct Damage ... and petechiae Causes ... Physical Agents: - Radiation
Avascular Necrosis: Pathogenesis and Clinical Findings
 • Physical Trauma (esp. to the scaphoid bone with damage
scaphoid bone with damage ... femoral head with damage ... ) • Multiple causes ... steroid use) - Radiation
Causes of Constipation in Adults
Most common
 - Inadequate fiber or fluid intake
 - Poor bowel habits
Systemic
Causes of Constipation ... , sacral nerve damage ... Colonic stricture: radiation ... #Constipation #Causes