Clinical conundrum: Causes of pelvic limb collapse in a Miniature Schnauzer

Lizzy Conway

doi:10.22233/20412495.0315.8

ISSN: 2041-2487
E-ISSN: 2041-2495

GBP

Clinical conundrum

Causes of pelvic limb collapse in a Miniature Schnauzer

Author Lizzy Conway
Source: BSAVA Companion, Volume 2015, Issue 3, Mar 2015, p. 8 - 11
DOI: https://doi.org/10.22233/20412495.0315.8

Abstract

A Miniature Schnauzer presented after several months of pelvic limb collapses. Lizzy Conway, an intern at Dick White Referrals, on the symptoms, diagnosis and treatment.

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2015-03-01

2024-04-18

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Clinical conundrum

Companion 2015, 8 (2015); https://doi.org/10.22233/20412495.0315.8

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VIDEO 1: Pelvic limb collapse in a Minature Schnauzer (1)
Collapse episode in the dog showing normal consciousness and seemingly normal forelimb function, with normal respiratory rate and effort.

VIDEO 2: Pelvic limb collapse in a Minature Schnauzer (2)
Echocardiogram showing right atrial and ventricular enlargement, with concentric hypertrophy of the right ventricular free wall (right parasternal long-axis view).

VIDEO 3: Pelvic limb collapse in a Minature Schnauzer (3)
Echocardiogram shows interventricular septum appears subjectively flattened (parasternal short-axis view at the level of the mitral valve).

VIDEO 4: Pelvic limb collapse in a Minature Schnauzer (4)
On microbubble study, no bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 5: Pelvic limb collapse in a Minature Schnauzer (5)
No bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 6: Pelvic limb collapse in a Minature Schnauzer (6)
Right-to-left shunting reverse patent ductus arteriosus (PDA) diagnosed as bubbles were seen entering the abdominal aorta.

Published online : 01 Mar 2015

Clinical conundrum

Causes of pelvic limb collapse in a Miniature Schnauzer

Abstract

VIDEO 1: Pelvic limb collapse in a Minature Schnauzer (1)Collapse episode in the dog showing normal consciousness and seemingly normal forelimb function, with normal respiratory rate and effort.

VIDEO 2: Pelvic limb collapse in a Minature Schnauzer (2)Echocardiogram showing right atrial and ventricular enlargement, with concentric hypertrophy of the right ventricular free wall (right parasternal long-axis view).

VIDEO 3: Pelvic limb collapse in a Minature Schnauzer (3)Echocardiogram shows interventricular septum appears subjectively flattened (parasternal short-axis view at the level of the mitral valve).

VIDEO 4: Pelvic limb collapse in a Minature Schnauzer (4)On microbubble study, no bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 5: Pelvic limb collapse in a Minature Schnauzer (5)No bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 6: Pelvic limb collapse in a Minature Schnauzer (6)Right-to-left shunting reverse patent ductus arteriosus (PDA) diagnosed as bubbles were seen entering the abdominal aorta.

VIDEO 1: Pelvic limb collapse in a Minature Schnauzer (1)
Collapse episode in the dog showing normal consciousness and seemingly normal forelimb function, with normal respiratory rate and effort.

VIDEO 2: Pelvic limb collapse in a Minature Schnauzer (2)
Echocardiogram showing right atrial and ventricular enlargement, with concentric hypertrophy of the right ventricular free wall (right parasternal long-axis view).

VIDEO 3: Pelvic limb collapse in a Minature Schnauzer (3)
Echocardiogram shows interventricular septum appears subjectively flattened (parasternal short-axis view at the level of the mitral valve).

VIDEO 4: Pelvic limb collapse in a Minature Schnauzer (4)
On microbubble study, no bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 5: Pelvic limb collapse in a Minature Schnauzer (5)
No bubbles were seen in either the left cardiac chambers, or the left ventricular outflow tract or ascending aorta, excluding an intracardiac right-to-left shunting lesion.

VIDEO 6: Pelvic limb collapse in a Minature Schnauzer (6)
Right-to-left shunting reverse patent ductus arteriosus (PDA) diagnosed as bubbles were seen entering the abdominal aorta.