Ophthalmologists can play a pivotal role in detection and treatment of life-threatening disorders by recognizing syndromes associated with retinal tumors. Ophthalmologists can play a pivotal role in detection and treatment of life-threatening disorders by recognizing syndromes associated with retinal tumors.
The P wave in the ECG represents atrial depolarization, which results in atrial contraction.
On the ECG you will see a single premature atrial contraction with an early P wave and a short PR interval followed by a delay in the next contraction. Causes include smoking, lack of sleep, excess caffeine, alcohol and drugs. A-V bundle premature contraction, effect on ECG, and causes.