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. 2023 Jun 23;65(1):5751. doi: 10.4102/safp.v65i1.5751

TABLE 3.

Suggested investigations for common Long COVID phenotypes.

Investigation Respiratory Cardiac Neurocognitive Fatigue Other
Full blood count
Kidney function test
Liver function test
Thyroid function test
Glycated haemoglobin
C-reactive protein
Ferritin
WHO functional scale
Wells score - - -
D-Dimer - - -
Spirometry - - -
Chest radiograph - -
Pulse oximetry -
12-lead ECG -
10-min standing test - - -
Cardiac troponin - - -
Brain natriuretic peptide - - -
Validated cognitive assessment tool - - -
Fatigue assessment scale - - -
Sub-maximal exercise test - -
Creatinine kinase - - - -
Reactivated herpesvirus panel - - - -
Morning cortisol - - - -

ECG, electrocardiogram; WHO, World Health Organization.