Search strategy for PubMed, EMBASE, Cochrane Library, ISI Knowledge via Web of Science, and medRxiv or bioRxiv databases
| Database | Search items |
| PubMed | |
| Number | |
| #1 | ((cardiac injury) OR (myocardial injury)) OR (troponin) |
| #2 | (COVID-19) OR (SARS-CoV-2) |
| #3 | #1 and #2 |
| EMBASE | |
| #1 | cardiac AND injury OR (myocardial AND injury) OR troponin |
| #2 | ‘COVID-19 19’ OR ‘sars cov 2’ |
| #3 | #1 and #2 |
| Cochrane Library | |
| #1 | cardiac injury in All Text OR myocardial injury in All Text OR troponin in All Text |
| #2 | COVID-19 in All Text OR SARS-CoV-2 in All Text |
| #3 | #1 and #2 |
| ISI Knowledge via Web of Science | |
| #1 | TOPIC: (cardiac injury) OR TOPIC: (myocardial injury) OR TOPIC: (troponin) Timespan: all years. Databases: WOS, BIOSIS, KJD, MEDLINE, RSCI, SCIELO. Search language: auto. |
| #2 | TOPIC: (COVID-19) OR TOPIC: (SARS-CoV-2) Timespan: all years. Databases: WOS, BIOSIS, KJD, MEDLINE, RSCI, SCIELO. Search language: auto. |
| #3 | #1 and # 2 |
| medRxiv or bioRxiv | |
| #1 | title “cardiac injury” (match any words) and abstract or title “myocardial injury” (match any words) and full text or abstract or title “troponin” (match whole any) |
| #2 | title “COVID-19” (match any words) and abstract or title “SARS-CoV-2” (match any words) |
| #3 | #1 and #2 |