TABLE 4.
Infection | Supporting laboratory findings | Diagnosticsa | Therapy |
---|---|---|---|
Malaria | Anemia, thrombocytopenia, ↑LFTs | Thick and thin blood smears, RDT, PCR | IV/PO antimalarials |
Dengue | Lymphopenia, thrombocytopenia, ↑ H/H, ↑LFTs, ↑ PT/PTT | RDT, serology, PCR | Supportive |
Typhoid fever | Lymphopenia, thrombocytopenia | Culture | IV/PO antibiotics |
Chikungunya | Lymphopenia, thrombocytopenia50 | Serology, PCR | Supportive |
Acute HIV | Lymphopenia, thrombocytopenia | Serology (ELISA+WB), PCR | Antiretrovirals |
Helminths | Eosinophilia | Stool O&P, blood smear, serology, PCR | Antihelmintics |
Viral hepatitis | ↑↑ LFTs | Serology | Supportive, antivirals |
Ebola | Thrombocytopenia, lymphopenia, ↑LFTs, ↑ PT/PTT | Serology, PCR, viral culture: special handling and lab support required | Isolation, supportive |
Rickettsiae | Leukopenia, thrombocytopenia, azotemia, hyponatremia | Serology, PCR, complement fixation | Antibiotics |
Yellow fever | ↑ LFTs, ↑ PT/PTT, leukopenia, azotemia, acidosis | Serology, PCR | Supportive |
Influenza | Mild leukopenia and thrombocytopenia, ↑A-a gradient | RDT, PCR, culture | Symptomatic, antivirals |
RDT = rapid diagnostic test, PCR = polymerase chain reaction, WB = western blot.