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Radiology Packet 6

Radiology Packet 6. Acquired cardiac diseases. 13 year old M Miniature Poodle “Carlos”.

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Radiology Packet 6

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  1. Radiology Packet 6 Acquired cardiac diseases

  2. 13 year old M Miniature Poodle “Carlos” • Hx: Presented for evaluation of coughing that has been getting progressively worse and is worse at night. On PE a grade 2-3 of 6 murmur is ausculted. The murmur is systolic and is heard best on the left side of the chest.

  3. 13 year old M Miniature Poodle “Carlos” • RF • Caudal mainstem bronchi are elevated and there is straightening of the the caudal cardiac waist. • The trachea is elevated and the caudal cardiac margin is elongated. • In the VD view the cardiac silhouette is rounded. • There is a bulge at the area of the left auricular appendage and rounding of the cardiac apex. • There is increased interstitial infiltrates in the lungs in the perihilar region and caudal lung fields. • Hepatomegaly. • RD • Moderate generalized cardiac enlargement is present • Left-sided cardiac enlargement predominates • Pulmonary vascular congestion and cardiogenic pulmonary edema are evidence of left-sided congestive heart failure • R/O • Mitral valve endocardiosis with mitral regurgitation • Right sided cardiac enlargement is likely due to concurrent tricuspid endocardiosis

  4. 16-month old Jack Russell Terrier “Bandit” • Hx: Presented with a history of exercise intolerance and polycythemia (PCV 65-70%)

  5. 16-month old Jack Russell Terrier “Bandit” • RF • In the lateral view the heart is ~4 ICS wide and the VHS is 10.7 on the Buchanan scale. • The heart is widened and there is increased sternal contact. • Loss of the cranial cardiac waist. • In the VD view the heart has a “reverse D” appearance. • There is a prominent bulge at 1-2 o’clock indicating enlargement of the main pulmonary artery. • There is a bulge in the aortic arch at the same level as the pulmonary artery bulge. • RD • Right ventricular enlargement • R/O • Pulmonic stenosis • Right-to-left PDA • Heartworm disease

  6. 14-year old M Miniature Poodle “Tuffy” • Hx: presented for evaluation of intervertebral disc disease. On PE a grade 1-2 of 6 murmur is ausculted. The murmur is systolic and is heard best on the left side of the chest.

  7. 14-year old M Miniature Poodle “Tuffy” • RF • Caudal mainstem bronchi are elevated and there is subtle straightening of the caudal cardiac waist. • There is a diffuse, mild broncho-interstitial lung pattern present that is consistent with normal aging change. • The liver extends beyond the costal arch indicating that it is enlarged. • RD • Left atrium is mildly enlarged • R/O • Mitral valve endocardiosis and secondary mitral regurgitation

  8. 12-year old FS Shih Tzu “Pepper” • Hx: Presented for cataract surgery. During PE a grade 3 of 6 holosystolic murmur with the point of maximal intensity on the left was auscultated.

  9. 12-year old FS Shih Tzu “Pepper” • RF • There is elevation of the caudal mainstem bronchi and straightening of the caudal cardiac margin. • Trachea is elevated and the caudal margin of the heart is elongated. • In the VD view the cardiac apex is slightly rounded. • The cardiac silhouette is slightly wide in the lateral view. • There is a diffuse mild broncho-interstitial lung pattern present which is consistent with normal aging change. • RD • Mild left-sided cardiac enlargement +/- mild right-sided cardiac enlargement • R/O • Mitral valve endocardiosis • Tricuspid valve endocardiosis

  10. 12-year old cat “Garlock” • Hx: Presented with coughing and exercise intolerance.

  11. 12-year old cat “Garlock” • RF • Diffuse increased opacity of the entire lung field. • Increase in size of the pulmonary vasculature. • In the DV view the caudal pulmonary arteries are much larger than the veins. • R/O • Feline heartworm disease • Note – on these films it is hard to see the changes. But note, for heartworm disease is cats – it is the vasculature and lungs that show the changes primarily. The heart changes we see in dogs are often not seen in cats.

  12. 13-year old MN DSH “Snowball” • Hx: History of weight loss, tachypnea and tachycardia. A mass ~ 1cm x 1cm is palpable in the cervical region.

  13. 13-year old MN DSH “Snowball” • RF • The cardiac silhouette is slightly enlarged. The VHS is ~ 8.0. • In the lateral view the cardiac silhouette is somewhat elongated and there is bulging of the heart base. • In the VD view the atrial region of the heart (base) is wide. • There is a mild diffuse interstitial lung pattern present that is consistent with normal age change. • Several sites of spondylosis are present in the thoracic spine. • Large osteochondral fragments are visisble in both of the elbows. • RD • Mild ventricular hypertrophy • R/O • Hyperthyroidism • Hypertrophic cardiomyopathy

  14. 4-year old MN boxer • Hx: Presented for evaluation of exercise intolerance and coughing.

  15. 4-year old MN boxer • RF • In the lateral view the base of the heart appears wide and there is bulging of the cardiac silhouette at the cranial dorsal margin. • In the VD view there is a prominent bulge in the area of the main pulmonary artery with rounding of the right heart margin. • The left ventricular area is normal creating a flat appearance to the left side of the heart and a classic “reverse-D” shape. • In the lateral view a very large and somewhat tortuous cranial pulmonary artery is visible. Some of the caudal pulmonary vessels are large and tortuous. • Enlarged pulmonary arteries are visible in the VD view. • Increased opacity of the perihilar region and displacement of the cranial mainstem bronchi from the trachea are noted. • Focal area of interstitial pulmonary opacity is visible in the caudal lung tip in the lateral view.

  16. 4-year old MN boxer • RD • Right-sided cardiac enlargement • Enlargement of the main pulmonary artery segment • Enlarged, tortuous and truncated pulmonary arteries • Focal area of interstitial pulmonary opacity • R/O • Severe canine heartworm disease • Allergic pneumonitits • Thromboembolic disease

  17. 3-year old MN DSH “Socrates” • Hx: Presented for re-evaluation of previously diagnosed hypetrophic cardiomyopathy.

  18. 3-year old MN DSH “Socrates” • RF • The cardiac silhouette is enlarged. • In the lateral view of the heart base is enlarged making the heart appear wide with bulging of the cranial cardiac margin. • In the VD view the atrial region of the heart is very wide but the ventricular region remains relatively normal. • The pulmonary vessels are greater than normal diameter and are larger than the pulmonary arteries. • RD • Cardiomegaly (r/o HCM) • Vascular congestion

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