146 results
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
ACL), anterior drawer ... meniscal integrity) tests ... #Diagnosis #Sports ... Apley #McMurray #Drawer ... #Test #msk
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
clotting factor deficiency ... Patient has a factor deficiency ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
Diagnosing Vitamin ... inadequate to diagnosis ... the first line tests ... #Diagnosis #Nutrition ... #Hematology #ComparisonTable
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Non malignant hematologic ... effect following treatment ... malignancy • Iron deficiency ... #Differential #Diagnosis
Treatment of Thrombotic Thrombocytopenic Purpura (TTP)
Diagnosis of TTP:
 • Rare and severe, ADAMTS13 deficiency
 • Autoimmune
Purpura (TTP) Diagnosis ... severe, ADAMTS13 deficiency ... soon as TTP is diagnosed ... PLEX and RTX • Short-term ... hematology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... negative with IgA deficiency ... patients with IgA deficiency ... Reflects response to treatment ... #Diagnosis #Workup
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
• Vitamin K deficiency ... • Factor VII deficiency ... • Underfilled test ... Thromboplastin #laboratory #hematology ... #diagnosis
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Differential Diagnosis ... Syndrome • Prader-Willi ... Disease • GH Deficiency ... • IGF-I Deficiency ... Panhypopituitarism Treatment
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
Iron Deficiency ... Anemia (IDA) Tests ... total body iron stores ... #ferritin #Fe #diagnosis ... #hematology
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
mm on posterior drawer ... Some sort of end ... PCL: Posterior drawer ... #Injury #MSK #Sports ... classification #diagnosis