60 y/o male, c/o dizziness, nausea & vomiting

PMH: Of similar episodes under investigation by cardiologist, no other relevant medical information.

No observations provided on this p/t, this is just an exercise in 12-lead ECG interpretation…

Here’s a little help from me, please provide your ECG analysis. 

Rate:

Atrial: Unable to determine. 

Ventricular: 90-160 bpm.

Waves: P waves present: Difficult to identify, best seen in V2-3, appearance is fibrillation pattern, P waves NOT consistent, no relation to QRS, no Q waves present that are pathological, T waves are present with no significant abnormalities.

Intervals: P-R consistent, QRS: 0.16 secs, appearance: rSR’ in V1-2, consistent; QT interval 0.40 secs.

Axis: Quadrant:?? Please give your analysis…J Degrees -80 (aVF and Lead II mostly isoelectic slightly positive.

Hypertrophy: No atrial or ventricular detected.

Other info: Q waves none significant for AMI, no significant elevation, ST depression in V2, no possible drug effects noted.