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Abnormal waveform in CWA-APTT. The fibrin formation curve is indicated in blue, the 1st DC in red, and the 2nd DC in green. The 1st and 2nd DCs show a bpw.
Abbreviations: CWA, clot waveform analysis; APTT, activated partial thromboplastin time; bpw, biphasic waveform; DC, derivative curve.
