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Ever wondered about the secret lives of our furry companions' hearts? Delve into the intricate chambers and discover what makes the rhythmic dance of their hearts so unique. For dog lovers and curious minds alike, this journey into a dog's cardiovascular mysteries is a must-read.
https://www.petmd.com/dog/conditions/cardiovascular/c_dg_atrioventricular_block_complete
#DogHeartMystery #PetHealthAdventure #FurryScience
https://www.petmd.com/dog/conditions/cardiovascular/c_dg_atrioventricular_block_complete
#DogHeartMystery #PetHealthAdventure #FurryScience
Ever wondered about the secret lives of our furry companions' hearts? Delve into the intricate chambers and discover what makes the rhythmic dance of their hearts so unique. For dog lovers and curious minds alike, this journey into a dog's cardiovascular mysteries is a must-read.
https://www.petmd.com/dog/conditions/cardiovascular/c_dg_atrioventricular_block_complete
#DogHeartMystery #PetHealthAdventure #FurryScience
%20in%20Dogs%22,%22inLanguage%22:%22en-US%22,%22isFamilyFriendly%22:%22True%22,%22articleSection%22:%22Cardiovascular%22,%22thumbnailUrl%22:%22%22,%22image%22:%7B%22@type%22:%22ImageObject%22,%22url%22:%22%22%7D,%22author%22:%7B%22@type%22:%22Person%22,%22name%22:%22PetMD%20Editorial%22,%22url%22:%22https:%5C/%5C/www.petmd.com%5C/author%5C/tierischgut%22%7D,%22keywords%22:%22Dog,%20Condition,%20Cardiac%20health%22,%22publisher%22:%7B%22@type%22:%22Organization%22,%22name%22:%22PetMD%22,%22logo%22:%7B%22@type%22:%22ImageObject%22,%22url%22:%22https:%5C/%5C/www.petmd.com%5C/images%5C/petmd_logo.png%22%7D,%22url%22:%22https:%5C/%5C/www.petmd.com%22%7D,%22mainEntityOfPage%22:%7B%22@type%22:%22WebPage%22,%22@id%22:%22https:%5C/%5C/www.petmd.com%5C/dog%5C/conditions%5C/cardiovascular%5C/c_dg_atrioventricular_block_complete%22%7D,%22datePublished%22:%222010-04-10T07:47:46-04:00%22,%22dateModified%22:%222022-08-16T09:27:21-04:00%22,%22description%22:%22The%20heart's%20sinoartial%20node%20(SA)%20is%20very%20much%20like%20a%20control%20center,%20responsible%20for%20controlling%20the%20heart%20rate.%20This%20electrical%20conduction%20system%20generates%20electrical%20impulses%20(waves),%20which%20propagate%20through%20the%20atrioventricular%20(AV)%20node%20and%20into%20the%20ventricles,%20stimulating%20the%20heart's%20muscles%20to%20contract%20and%20push%20blood%20through%20the%20interior%20arteries%20and%20out%20into%20the%20body.%20Complete,%20or%20third-degree,%20atrioventricular%20block%20is%20a%20condition%20in%20which%20all%20impulses%20generated%20by%20the%20SA%20node%20are%20blocked%20at%20the%20AV%20node,%20leading%20to%20independent%20and%20non-coordinated%20beating%20of%20atria%20and%20ventricles.%22,%22articleBody%22:%22Atrioventricular%20Block,%20Complete%20(Third%20Degree)%20in%20Dogs%20The%20heart's%20sinoartial%20node%20(SA)%20is%20very%20much%20like%20a%20control%20center,%20responsible%20for%20controlling%20the%20heart%20rate.%20This%20electrical%20conduction%20system%20generates%20electrical%20impulses%20(waves),%20which%20propagate%20through%20the%20atrioventricular%20(AV)%20node%20and%20into%20the%20ventricles,%20stimulating%20the%20heart's%20muscles%20to%20contract%20and%20push%20blood%20through%20the%20interior%20arteries%20and%20out%20into%20the%20body.%20Complete,%20or%20third-degree,%20atrioventricular%20block%20is%20a%20condition%20in%20which%20all%20impulses%20generated%20by%20the%20SA%20node%20are%20blocked%20at%20the%20AV%20node,%20leading%20to%20independent%20and%20non-coordinated%20beating%20of%20atria%20and%20ventricles.%20Cocker%20spaniels,%20Pugs,%20and%20Doberman%20breeds%20are%20predisposed%20to%20heart%20defects%20leading%20to%20complete%20heart%20block.%20Third-degree%20atrioventricular%20block%20also%20occurs%20in%20older%20dogs%20more%20frequently.%20Symptoms%20and%20Types%20Weakness%20Coughing%20Difficulty%20breathing%20Inability%20to%20perform%20routine%20exercise%20Slow%20heart%20rate%20(bradycardia)%20FaintingCauses%20Congenital%20(present%20at%20birth)%20heart%20defects%20Idiopathic%20fibrosis%20(scarring%20of%20heart%20tissue%20due%20to%20unknown%20cause)%20Inflammation%20of%20heart%20(myocarditis)%20Inflammation%20of%20lining%20of%20heart%20(endocarditis)%20Infiltration%20of%20heart%20muscle%20by%20some%20abnormal%20substance%20or%20cancer%20(amyloidosis%20or%20neoplasia)%20Drug%20toxicity%20(i.e.,%20digitalis)%20Electrolyte%20imbalances%20Heart%20attack%20(myocardial%20infarction)%20Lyme%20disease%20Chagas'%20DiseaseDiagnosis%20You%20will%20need%20to%20give%20a%20thorough%20history%20of%20your%20dog%5Cu2019s%20health,%20including%20the%20onset%20and%20nature%20of%20the%20symptoms,%20to%20your%20veterinarian.%20He%20or%20she%20will%20then%20perform%20a%20complete%20physical%20examination,%20as%20well%20as%20a%20biochemistry%20profile,%20urinalysis,%20and%20complete%20blood%20count%20(CBC).%20Dogs%20suffering%20from%20infections%20of%20the%20heart%20will%20demonstrate%20high%20white%20blood%20cell%20count%20on%20blood%20testing,%20while%20biochemistry%20profile%20may%20reveal%20electrolyte%20imbalances.%20Your%20veterinarian%20will%20record%20the%20electrocardiograph,%20or%20ECG,%20which%20is%20extremely%20beneficial%20to%20make%20an%20initial%20diagnosis.%20Echocardiography%20and%20Doppler%20ultrasound%20are%20performed%20in%20animals%20with%20abnormal%20ECG%20finding,%20and%20those%20with%20symptoms%20associated%20with%20heart%20issues.%20Treatment%20The%20ultimate%20goal%20of%20therapy%20is%20to%20clear%20the%20blockage%20of%20electrical%20impulses%20at%20the%20AV%20node.%20To%20achieve%20this,%20a%20special%20device%20called%20a%20pacemaker%20is%20used%20to%20resolve%20the%20electrical%20impulse%20conduction%20problems%20and%20normalize%20the%20heart's%20beating.%20(Chest%20x-rays%20are%20taken%20to%20confirm%20the%20proper%20placement%20of%20pacemaker.)%20Both%20temporary%20and%20permanent%20pacemakers%20are%20available,%20and%20your%20veterinarian%20will%20recommend%20which%20will%20work%20best%20for%20your%20dog.%20The%20blockage%20can%20be%20rectified%20surgically%20too,%20but%20this%20is%20often%20riskier%20for%20the%20dog.%20Living%20and%20Management%20If%20your%20dog%20has%20had%20a%20pacemaker%20implanted,%20he%20will%20require%20extra%20care%20as%20well%20as%20cage%20rest.%20Typically,%20permanent%20pacemakers%20are%20placed%20in%20a%20pocket%20created%20surgically%20under%20the%20skin.%20To%20prevent%20the%20pacemaker%20from%20moving,%20a%20bandage%20is%20applied%20over%20the%20surgical%20wound%20for%20three%20to%20five%20days.%20Because%20pacemakers%20are%20battery%20operated,%20a%20malfunction%20can%20occur%20at%20any%20time;%20the%20pacemaker%20may%20also%20become%20infected,%20dislodged,%20or%20run%20out%20of%20battery.%20In%20such%20cases,%20the%20dog's%20heart%20may%20again%20go%20into%20a%20complete%20atrioventricular%20block.%20Therefore,%20it%20is%20vital%20that%20you%20restrict%20the%20dog's%20movements%20and%20monitor%20him%20for%20untoward%20symptoms.%20Depending%20on%20the%20severity%20of%20the%20underlying%20disease,%20the%20dog's%20diet%20may%20require%20modifying.%20In%20addition,%20you%20will%20need%20to%20visit%20your%20veterinarian%20at%20regular%20intervals%20for%20ECG%20and%20chest%20radiography,%20which%20are%20used%20to%20assess%20proper%20pacemaker%20function.%20Unfortunately,%20long%20term%20prognosis%20of%20dogs%20with%20complete%20atrioventricular%20block%20is%20very%20poor.%22%7D){kind=spacer}
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