Enlargements

Question 1

Right Atrial Enlargement

Answer 1

Results form disorders of pulmonary system
Caused by prolonged low blood oxygen levels

Question 2

Right atrial enlargement appearance lead 2

Answer 2

Amplitude > 2.5
More of a peak appearance

Question 3

Right atrial enlargement V1

Answer 3

Biphasic P wave, positive portion greater than negative portion

Question 4

Left atrial enlargement

Answer 4

Result of pressure/volume overload to left atrium

Question 5

Left atrial enlargement appearance lead 2

Answer 5

Wide, notched > .12 sec

Question 6

Left atrial enlargement V1

Answer 6

Negative larger than positive

Question 7

Right ventricular hypertrophy

Answer 7

Typically benign and asymptomatic
With pulmonary disease, everything right goes wrong

Question 8

Right ventricular hypertrophy appearance V1/V2

Answer 8

Tall R waves > 7 mm

Question 9

Right ventricular hypertrophy V5/V6

Answer 9

Deep s waves

Question 10

Left ventricular hypertrophy

Answer 10

Strong indication of overall mortality and CV morbidity in patients with hypertension

Question 11

LVH appearance

Answer 11

V1 or V2: S wave
V5 or V6: r wave
Added together > 35 mm

Question 12

LVH Cause

Answer 12

Chronic systolic hypertension
Increased filling of left ventricle
Stimulation of sympathetic nervous system