Left chest and left arm pain is mainly considered to be caused by heart disease or muscle strain.
1. Heart disease: this symptom is common in angina pectoris, myocardial infarction and other heart diseases, the location of the pain is mainly in the anterior chest area to the left, can be radiated to the left upper limb pain or soreness, need to carry out infarction three, electrocardiogram and other tests to clarify, if the nitroglycerin does not alleviate the problem, it should be timely thrombolytic therapy, such as aspirin, alteplase and so on.
2. Muscle strain: when chest expansion exercise, upper arm exercise, if the time is too long, too much force, will cause pectoralis major muscle, biceps, triceps and other muscle strain, thus causing pain, can be hot packs of physiotherapy way to relieve.
It is recommended to pay attention to keep warm, avoid cold, pain does not relieve should promptly seek medical attention.