![]() ![]() Only 15% of participants could accurately assess for the presence of a pulse within 10 seconds and only 2% identified pulselessness correctly within 10 sec *. In a study assessing the diagnostic accuracy of first responders of detecting a manual pulse in patient with and without a true pulse, the sensitivity for pulselessness approached 90%, however the specificity was only 55%.Since this differentiation hinges on presence or absence of a pulse, it’s worth mentioning here that the palpation technique is poor at determining whether or not a patient has a pulse. ![]() Patients with pulse pressures were designated as having “pseudo-PEA” and those without, as having “true PEA” *.
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