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This is sinus tachy only right

analyse_media
Yes, this is sinus tachycardia - but there are a few additional findings worth flagging. Here is the full breakdown:

ECG Interpretation

Technical details: 25 mm/s, 10 mm/mV

Rhythm: Sinus Tachycardia ✓

  • Regular rhythm with upright P waves preceding every QRS (best seen in II, V1)
  • P waves are positive in I and II - confirming sinus origin
  • Rate: ~140 bpm (consistent with the header data visible on the strip)
  • Constant PR interval throughout

QRS Complex

  • Narrow QRS - morphology appears normal, no bundle branch block pattern
  • Axis appears normal (positive in I and II)

Repolarization

  • Given the rate of 140, ST-T assessment is limited, but no obvious ST elevation or pathological depression is apparent
  • T waves appear upright in lateral leads

Other Notes

  • There is baseline wander and artifact in several leads (especially limb leads), which limits assessment
  • The machine header appears to note: "Warning: not available, previous ECG unavailable, discontinued report" - suggesting the automated analysis was flagged as unreliable

Bottom Line

Yes, sinus tachycardia is the primary diagnosis. Rate ~140 bpm, regular, with P before every QRS in normal axis. No obvious delta waves, no wide QRS, no features of atrial flutter (no sawtooth pattern at this rate).
However, the cause of the tachycardia is the key clinical question - at 140 bpm you should consider: fever/sepsis, pain, hypovolemia, pulmonary embolism, anemia, thyrotoxicosis, or sympathomimetic drugs. Treat the underlying cause, not the rate itself.
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