Third degree AV block laboratory findings
Third degree AV block Microchapters | |
Diagnosis | |
---|---|
Treatment | |
Case Studies | |
Third degree AV block laboratory findings On the Web | |
American Roentgen Ray Society Images of Third degree AV block laboratory findings | |
Risk calculators and risk factors for Third degree AV block laboratory findings | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]
Please help WikiDoc by adding more content here. It's easy! Click here to learn about editing.
Laboratory Findings
The following laboratory studies should be done, depending upon the cause, while investigating a case of complete heart block.
- Complete blood count - may reveal anemia (low RBC count), infection (leukocytosis is seen in myocarditis, acute rheumatic fever and viral infections)
- Differential count
- Serum electrolytes - hyperkalemia (renal insufficiency)
- PT and aPTT may be ordered routinely
- Blood digoxin levels should be measured in case of digoxin overdose
- Myocarditis related studies - HIV serologies, Lyme titers, Chagas titers, enterovirus PCR, adenovirus PCR
- Peripheral blood smears can aid in the diagnosis of hematological disorders like thalassemia major, Hodgkins lymphoma etc.,