Shortness of Breath: Especially noticeable during physical exertion.
Arm Pain: Typically in the left arm, sometimes accompanied by numbness or tingling.
Fatigue or Weakness: Particularly if sudden or severe.
Dizziness or Lightheadedness: May occur suddenly and without apparent cause.
Nausea or Vomiting: Especially if unrelated to food intake.
Sweating: Often cold and clammy, not related to temperature or activity.
Heart Palpitations: Irregular heartbeat sensations.
Swelling: Particularly in the ankles, feet, legs, or abdomen.
Persistent Cough: Especially concerning if accompanied by pink or bloody mucus.
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