Headache & Pain
Primary stabbing headache
Apr. 15, 2025
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Toll Free (U.S. + Canada): 800-452-2400
US Number: +1-619-640-4660
Support: service@medlink.com
Editor: editor@medlink.com
ISSN: 2831-9125
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The pretest probability of thrombotic thrombocytopenic purpura should be determined based on clinical presentation and laboratory results. Note that all are conditional recommendations in the setting of low certainty of evidence. (Contributed by Dr. Fernando Testai. For detailed information, refer to: Zheng XL, Vesely SK, Cataland SR, et al. ISTH guidelines for the diagnosis of thrombotic thrombocytopenic purpura. J Thromb Haemost 2020;18(10):2486-95.)