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==== Backward-Congestive Failure  ====
 
==== Backward-Congestive Failure  ====
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Clinical signs are different for each side. In left-sided failure signs include dyspnoea and tachypnoea. There may also be pulmonary crackles on ausculatation due to pulmonary oedema and a cough due to left cardiomegaly compressing the left mainstem bronchus. In right-sided failure there may be jugular distension, hepatomegaly and splenomegaly, ascites, positive hepato-jugular reflux (Press firmly over the liver and abdomen. A positive test is distension of the jugular vein indicating right sided heart failure.) and pleural effusion.
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Clinical signs are different for each side. In left-sided failure signs include dyspnoea and tachypnoea. There may also be pulmonary crackles on ausculatation due to pulmonary oedema and a cough due to left cardiomegaly compressing the left mainstem bronchus. In right-sided failure there may be jugular distension, hepatomegaly and splenomegaly, ascites, positive '''hepato-jugular reflux''' (Press firmly over the liver and abdomen. A positive test is distension of the jugular vein indicating right sided heart failure.) and pleural effusion.
    
== Compensatory Mechanisms  ==
 
== Compensatory Mechanisms  ==
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