12 results
Age adjusted D Dimer

Patients Age x 10 (85 year-old patients would have an age-adjusted 
cutoff of
Age adjusted D Dimer ... @RBuhumaid #DDimer ... #AgeAdjusted #Laboratory ... #Testing #PulmonaryEmbolism
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Syncope #diagnosis #workup ... #testing #Cost ... #Effectiveness # ... table #comparison
COVID-19 Biomarkers 
 - Troponin
 - D-dimer
 - Lymphocyte Count
 - IL-6
 - LDH
 - Fibrinogen
Troponin - D-dimer ... Diagnosis #Laboratory #Testing ... #Workup
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Syncope Cost-Effectiveness ... Workup Cost-effective ... Cardiac stress testing ... #testing #Cost ... #Effectiveness
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
graphic from our Primer ... #Tuberculosis #Testing ... IGRA #Spectrum #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Familial renal Mg wasting ... Low #Magnesium #Table ... Classification #Causes #Workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Celiac #Disease #Testing ... Tests #Diagnosis #Workup ... #Table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... Causes #Screening #Workup ... #table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
reabsorption) Workup ... Elimination (see Table ... limited evidence for effectiveness
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... days → add fungal work-up ... bleeding; high d-dimer ... radiology for possible stenting