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Patho Chapter 26 Prep U explained Cardiovascular Conditions and Symptoms  o Acute arterial embolism is characterized by the "seven Ps": sudden onset (like a "pistol shot"), pallor (paleness), polar (coldness), pulselessness, pain, paresthesia (numbness/tingling), and paralysis. Key signs include pallor, pulselessness, and pain. Blood Pressure Measurement  o A nurse should wait 30 minutes before taking blood pressure if the client recently smoked a cigarette or consumed ca...