12 results
COVID-19 Biomarkers 
 - Troponin
 - D-dimer
 - Lymphocyte Count
 - IL-6
 - LDH
 - Fibrinogen
Troponin - D-dimer ... Diagnosis #Laboratory #Testing ... #Workup
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
D-dimer Plasma ... D-dimer is a product ... indicate that coagulation ... testing? ... @DharSaty #Ddimer
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
intravascular coagulation ... and other testing ... platelet count, D-dimer
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
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
Intraoperative Massive Blood Loss - Guidelines for Crises in Anaesthesia
Expected or unexpected major haemorrhage

❶ Call for
point of care testing ... : Hb, lactate, coagulation ... • Use lab testing ... Diagnosis #Management #Workup
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
Summary of Oncologic Emergencies

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