364 results
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... clotting factor deficiency ... • Clotting tests ... order for the test ... Patient has a factor deficiency
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Iron Deficiency ... TIBC-specific for iron deficiency ... - Ferritin-best ... non-invasive test ... Bloodman #Iron #Deficiency
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... negative with IgA deficiency ... patients with IgA deficiency ... patients with IgA deficiency
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Evaluation of Iron Deficiency ... diagnose iron deficiency ... Additional laboratory tests ... chronic kidney tests ... Test for celiac
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
speaking - Sleep Test ... - Ice Test - ... Rest Test - Anticholinesterase ... Test - Quiver ... LikelihoodRatios #PhysicalExam
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... #Sports #Knee #PhysicalExam ... McMurray #Drawer #Test
Acute Heart Failure Exacerbation - Diagnostic Likelihood Ratios
+LR > 3.5:
 • Overall judgement of ED physician
• BNP < 100 pg ... #heartfailure #physicalexam
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... in ACL-deficient ... Shift #PivotShift #test ... clinical #video #PhysicalExam
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
• Vitamin K deficiency ... • Factor VII deficiency ... Factor XI, IX, VIII deficiency ... • Underfilled test ... II, fibrinogen deficiency
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Lachman test in ... ACL-deficient Knee ... #Lachmans #test ... clinical #video #PhysicalExam