Normal P waves
A normal P wave is positive (upright) in leads I and II, but negative (inverted) in aVR. It should be less than 3 small squares wide (120 ms), and less than 2.5 mm tall (or <1.5 mm in the chest leads V1-V6) at standard settings.
ECG Blog #159 (Bradycardia – AV Block – AV Dissociation – Junctional)
Arrhythmia? Ischemia? Both? Electricity, drugs, lytics, cath lab? You decide. Repeat 1 min later.
This ECG is from a man in his 60s who presented with intermittent shortness of breath and chest pressure over the past few days. This was his repeat ECG after the rhythm changed.
This ECG shows a sinus tachycardia with ST elevation in inferior leads and ST depression in anterior leads and aVL. He underwent angiography and had stents inserted to the left circumflex and right coronary arteries.
Arrhythmia? Ischemia? Both? Electricity, drugs, lytics, cath lab? You decide. Baseline ECG.
This ECG is from a man in his 60s who presented with intermittent shortness of breath and chest pressure over the past few days. This was his baseline ECG for comparison.
This ECG shows a normal ECG.
A 60 year old patient with large T-wave inversions
This ECG is from a woman in her 60s who presented with intermittent chest pain and dyspnoea for the past day, on a background of stage IV lung cancer. This was her repeat ECG the next day.
A 60 year old patient with large T-wave inversions
This ECG is from a woman in her 60s who presented with intermittent chest pain and dyspnoea for the past day, on a background of stage IV lung cancer. This was her baseline ECG.
“Are these hyperacute T-waves?” – what is your recommendation for the team in these two cases? Case 2
This ECG is from a man in his 40s who presented with crushing chest pain described as 'like my other heart attacks'. He had also missed dialysis.
“Are these hyperacute T-waves?” – what is your recommendation for the team in these two cases? Case 2 Baseline
This ECG is from a man in his 40s who presented with crushing chest pain described as 'like my other heart attacks'. He had also missed dialysis. This was his baseline ECG.
Sudden Chest pain and SOB with a Wide Complex Tachycardia: Repeat after unsynchronised cardioversion
This ECG is from a man in his 60s who presented with sudden onset severe chest pain and dyspnoea. He had no medical history or medications. On arrival he was in extremis with altered mentation, cyanosis and diaphoresis . There was no palpable radial pulse. Pulse oximetry read HR 170 and saturation 53%. This was the repeat ECG after unsynchronised cardioversion.
A pathognomonic ECG you should recognize instantly. Baseline ECG
This ECG is from a patient of unknown age who presented with generalised weakness and malaise. This was the baseline ECG from a previous presentation.
ECG of the Week – 23rd April 2018 – Interpretation
This ECG is from a man in his 40s. His history is not known.
ECG of the Week – 12th February 2018 – Interpretation
This ECG is from a 12 yr old male who presented to the Emergency Department following an episode of palpitations and near-syncope. He had no known past medical history.
ECG of the Week – 5th February 2018 – Interpretation