Summary

Facial pain can be an unusual symptom of ischemic heart disease. Prompt diagnosis and pharmacotherapy led to complete resolution of symptoms in a patient presenting with atypical facial pain.

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Muscles for Facial Expressions01:14

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Facial Feedback Hypothesis01:24

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Charles Darwin proposed that facial expressions are an evolutionary adaptation for communication. He argued that these expressions are not influenced by culture but are universal across species. For example, a snarling expression with exposed teeth signals a threat in many animals, including humans. Darwin also suggested that displaying an emotion can intensify the feeling. Smiling, for example, could enhance one's sense of happiness. This idea laid the foundation for understanding the role...
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Pain01:20

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Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

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Cardiac Output II: Effect of Stroke Volume on Cardiac Output01:22

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