ECG II- CardioRush

Term
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P pulmonale, P mitrale, biatrial enlargement
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Terms in this set (42)
P pulmonale, P mitrale, biatrial enlargement
What are the 3 atrial enlargement patterns on ECG?
P wave too tall
What are the characteristics of P pulmonale on ECG?
Right atrial enlargement, resp disease
What diseases cause a P pulmonale pattern?
P wave too wide, may be M shaped
What are the characteristics of P mitrale on ECG?
Left atrial enlargement
What diseases can cause P mitrale?
P wave too tall and too wide
What are the characteristics of biatrial enlargement on ECG?
Tall R waves in leads 2, 3, aVF, left MEA shift, prolonged QRS interval
What are the main features of a left ventricular enlargement pattern on ECG?
Deep S wave on lead 2, (may also be on 1, 2, 3, aVF) Right MEA shift, prolonged QRS interval
What are the main characteristics of right ventricular enlargement pattern on ECG?
Tall R waves plus prolonged QRS duration, deep Q waves
What are the characteristics of biventricular enlargement on ECG?
Lead with tallest R wave, use isoelectric lead
What are the 2 main ways to find the MEA?
Find lead with least deflection, choose lead 90 degrees to that on axis diagram, then see if that lead is positive or negativeHow can you find the MEA using the isoelectric lead?Towards aVF or II (40-105 degrees)What is the normal MEA direction in dogs?0-160 degreesWhat is the normal MEA direction in cats?TrueTrue or false: right ventricular enlargement really only shows up on an ECG when there is moderate to marked hypertrophyTall P wave (makes the others look small)What is the abnormality on this ECG?P pulmonaleWhat is the name of this abnormality?Right atrial enlargementWhat causes this abnormality?Prolonged T waveWhat is the abnormality on the ECG?P mitraleWhat is the name of this abnormality?Left atrial enlargementWhat does this abnormality indicate?aVF, positiveWhat direction is the MEA on this cat ECG?aVLWhat is 1?IWhat is 2?IIWhat is 3?aVFWhat is 4?IIIWhat is 5?aVRWhat is 6?Right axis deviationWhat is the MEA on this dog ECG?Left axis deviationWhat is the MEA on this dog ECG?Left ventricular enlargement (Super tall R wave on lead II)What is the abnormality?Left ventricular enlargement (Super tall R wave on lead II)What is the abnormality?Right ventricular enlargement (Super deep S wave)What is the abnormality?Right ventricular enlargement (deep S wave)What is the abnormality on this cat ECG?Left ventricular enlargementWhat does left bundle branch block look similar to on ECG?Tall R wave, but Very wide QRS (which differentiates it from LV enlargement alone)What are the characteristics of left bundle branch block?>0.08 in dog, >0.06 in catWhat is the cut off for a QRS being too wide in a dog and cat?False (almost always associated with significant disease. RBBB can occur in normal hearts)True or false: a left bundle branch block can occur in a normal heart, it doesn't usually take severe diseaseLV must be activated cell to cell from right bundle branch signal, which takes longerWhy is the QRS so wide in LBBB?Wide QRS, LBBBWhat is the abnormality in this dog ECG?Wide QRS with tall R wave, LBBBWhat is the abnormality in this cat ECG?Prolonged QRS with small R wave and deep S, right bundle blockWhat is the abnormality on this dog ECG?Prolonged QRS, deep S wave, right bundle blockWhat is the abnormality on this dog ECG?