17 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
and Evaluation: Cost ... etiology of syncope - Cost ... - Cost per test ... Brain MRI, Cardiac stress ... workup #testing #Cost
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
interarticularis stress ... stressed vertebrae ... S1 => Weakened stability ... (Stork test) ... Spondylolisthesis #MSK #diagnosis
Bayesian combination of 4T score with Heparin PF4 antibody titer to obtain the post-test probability of
to obtain the post-test ... PF4Antibody #Bayesian #Diagnosis ... #Hematology #HITT ... Thrombocytopenia #Laboratory
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
cytoplasmic (CAST ... into plasma where most ... #Laboratory #Metabolism ... AlkPhos #Bilirubin #Hepatology ... Pathophysiology #Diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... disease • Pull test ... fungi Initial Laboratory ... Tests: • TSH ... #Differential #Diagnosis
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Workup Cost-effective ... tests for most ... outpatient) Not cost-effective ... EEG • Cardiac stress ... EricsMedicalLectures/ #Syncope #diagnosis
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Urea breath test ... at UCSF due to cost ... first line test ... HPylori #Testing #Laboratory ... #Diagnosis #Accuracy
Normal Thromboelastogram - Specific parameters represent the 3 phases of the cell-based model of haemostasis: initiation,
from start of test ... at 30 minutes post-MA ... lysis time (s) #Diagnosis ... #Hematology #Coagulation ... Interpretation #Laboratory
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... activity is the diagnostic ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
years of age • Most ... artery aneurysms Diagnosis ... pathognomonic laboratory ... ) Differential Diagnosis ... Behcet #Syndrome #diagnosis