prominent U wave
hypokalemia
Long QT interval
Short
hypocalcemia
Hypercalemia
leads P wave is upright in
1, 2, V4-V6 AvF
What lead is P wave inverted normally
AVR
P wave Broad fat and wide in lead I
Left atrial enlargement called P mitrale
P wave flat in lead I but pointed and peaked in II and III
P-pulmonale. Pulmonary disease
inverted P waves
nodal or junctional rhythm
Shortened P-R interval
HTN and pre excitation syndromes
long PR interval
AV blocks
RS followed by subsequent R’S’
both ventricular depolarization; bundle branch block
Tall T wave
myocardial ischemia. maybe patient with angina but not infarction