68 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
interarticularis stress ... hyperextension test ... (Stork test) ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
with low B12 stores ... normal tissue stores ... the first line tests ... tissue folate stores ... Diagnosis #Nutrition #Hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
clotting factor deficiency ... Patient has a factor deficiency ... Study #diagnosis #hematology ... #pathophysiology ... #hematology #laboratory
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... supraspinatus tendinitis Signs ... arm, empty can test ... orthopedics #diagnosis #sports
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
include protein C deficiency ... Aldosterone Deficiency ... clue • Blood tests ... ACTH stimulation test ... present - ACTH test
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Examination: • Signs ... disease • Pull test ... Scaling, pustules, crusts ... texture at bald spots ... Initial Laboratory Tests
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
Iron Deficiency ... Anemia (IDA) Tests ... total body iron stores ... DharSaty #Iron #Deficiency ... Fe #diagnosis #hematology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... folate that can cause ... mobilize folate stores ... depleted tissue stores ... differential #diagnosis #hematology
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... the top is a B12-deficient ... But the rest involve ... #Diagnosis #Pathophysiology
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Palsy This tests ... grip weakness caused ... Froment's Sign is ... #orthopedics #sports