Cardiac Anatomy

Question 1

Name causes of a large right atrium

Answer 1

Volume overload - TR, ASD, AV canal, pulmonary hypertension, valsalva fistula

Pressure overload - rvf, TS, restrictive cardiomyopathy, right atrial myxoma,

Question 2

Name causes of a large right ventricle

Answer 2

Left heart failure
Pulmonary artery hypertension
Left to right shunts
Vasculitis
Tr, pr, av malformation, severe PS

Question 3

Name causes of a large left atrium.

Answer 3

Volume overload - MR, vsd, PDA, ASD with shunt reversal, ASD with Tricuspid atresia

Pressure overload - MS, noncompliant left ventricle, LVF, L atrial myxoma

Question 4

Name causes of large left ventricle.

Answer 4

Myocardial damage - MI, cardiomyopathy

Chronic volume overload - MR, vsd, PDA, AV canal

High cardiac output - chronic anaemia, thyrotoxicosis, large AV fistula, Paget’s

Chronic pressure overload

Question 5

Name causes of gross cardiac enlargement.

Answer 5

Multiple valve disease

Pericardial effusion

DCMO

Ebsteins anomaly

Cardiac transplant

Rv dysplasia arrhythmogenic