11-12: ECG problems Flashcards
Wandering pacemaker
Normal
Changes in P wave height
RA enlargment
Tall peaked P waves
LA enlargment
Wide P waves
LV enlargement
Tall R waves
RV enlargement
Deep S waves
everything is upside down
Hyperkalemia
Mild: Spiked tall T wave
Moderate: Small P waves, bradycardia
Severe: Loss of P waves, wide QRS, RBBB
Low voltage
Pericardial effusion
Fat
Pericardial effusion
Beat to beat QRS variation
bundle branch blocks
No rhythm disruption
Right more susceptible than left
Wide QRS
Right BBB
No treatment necessary if there are no other issues
Has S wave
AV blocks
1: Prolonged PR interval
2: Different degrees, Random P waves without QRS
3: QRS complexes are independent of P waves, slow heart rate.
- junctional escape
- Ventricular escape