Dyspnea It is normal with all of us when we exert excessively.. But Dyspnea that is greater than expected with the degree of exertion... is a symptom of disease. Most cases of dyspnea result from asthma, heart failure and myocardial ischemia, chronic obstructive pulmonary disease, interstitial lung disease, pneumonia, or psychogenic disorders.. Below mentioned are the pathological causes of Dyspnea by Organ System…. CARDIO-VASCULAR…     Pulmonary edema Acute valvular disease Myocardial infarction Cardiac tamponade    Heart failure Angina Constrictive pericarditis RESPIRATORY… Acute exacerbations or persistent chronic asthma Acute exacerbation or persistent chronic obstructive lung disease Pulmonary embolism Pneumothorax Pneumonia ARDS Anaphylaxis    COPD Asthma Interstitial lung diseases Pulmonary hypertension Malignancy (tumor related obstructive lesions and lymphangitic spread) Pleural effusions Sleep apnea Foreign body aspiration GASTROINTESTINAL/HEPATIC Acute liver failure and its consequences Abdominal distention of various causes Ascites Portopulmonary hypertension Hepatopulmonary syndrome RENAL CAUSE Acute or chronic renal failure and its consequences HEMATOLOGICAL… Hemorrhage    Anemia NEUROMUSCULAR     High cervical cord lesions Trauma to phrenic nerves    Central apneas Myasthenia gravis Myopathies Amyotrophic lateral sclerosis ENT cause Vocal Cord Dysfunction Laryngeo-tracheal obstruction PSYCHOGENIC  BREATHLESSNESS I hope this list of causes will be HELPFUL to diagnose the aetiology of DYSPNEA…

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Excellent narration of causes of dypnea sir. The way you teach is fabulous. We are waiting for your posts which are most useful in clinical practice sir. You gave system wise causes of breathlessness sir. Thanks for nice post sir.

Thanks Dr Devi for your appreciation...
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Thank you so much sir for taking time writing this post and teaching us. The way you write is marvellous and it's easy to remember for all of us.

Thanks Dr Arnab for your compliments
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Sir your posts are always helpful please keep educating us .Thank you for all your efforts for educating people like me

Thanks Dr lele
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Very wise & important information regarding normal dyspnea & Pathological dyspnea

Thanks Dr Singh
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Thanx sir,MOST USEFUL POST,schematic narration,thanx wholeheartedly

Thanks Dr. GUPTA.. It is worth my effort.. If useful to you
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A real teacher has given good information!hats off sir!

Really excellent, can refer at a glance whenever needed, thanks a lot sir.
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Very useful information.Thanks for uploading it.

Thanks Dr Abhishek
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beautifully explained sir.....hate off to u....

hats*
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it's a recap r us.thanks a lot sir

Thank u sir, excellent post

thanks for the useful information which is very helpful and important
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