welcome to HCM.
, sweating and breathlessness at your age needs evaluation.
a physical exam, Xray chest, ECG, blood tests.
there could beserious implications if it is pulmonary embolism
was there any prior illness?
how long does each episode last?
where is the pain ?
right or left?
is there any dizziness?
your current description is inadequate to tell anything for sure.
pl. revert with detailed description of each symptom.
pl. consult your physician soon and get evaluated.
take care. good luck !