Ecg interpretation

sudden onset of breathless ness in a45 yrs old male patient, Known case of diabetes on irregular treatment diagnosis?

ca buccal mucosa post local wide excision with tracheostomy done, came to icu for postop care; ecg taken; no hypotension; interpret and what need to be done

A male aged 66 years who is a known Diabetic and Hypertensive controlled on treatment p/w complaints of Pain Chest and Sweating since last 5 hrs... comment on his ECG findings and hiw to proceed

35 yr female presented with palpitations since today morning. k/c/o HTN on irregular medication. treatment please

85yo but had recurrence of tachycardia. help in diagnosing the ECG female, previously underwent ablation..???