Question
High output cardiac failure is caused by which of the following diseases ? 1. Beri-beri 2. Severe anaemia 3. Thyrotoxicosis Select the correct answer using the code given below:
The correct answer is
1, 2 and 3
Understanding High Output Cardiac Failure Causes
High output cardiac failure occurs when the heart pumps an excessive amount of blood (high cardiac output), yet still cannot meet the body's metabolic demands, leading to heart failure symptoms.
Diseases Causing High Output Cardiac Failure
Several conditions can lead to high output cardiac failure. Let's examine the listed diseases:
- Beri-beri: This condition results from severe thiamine (Vitamin B1) deficiency. It causes widespread peripheral vasodilation, increasing the volume of blood the heart needs to pump. This chronic overwork can lead to high output cardiac failure.
- Severe Anaemia: In severe anaemia, the blood's oxygen-carrying capacity is significantly reduced. The body compensates by increasing heart rate and cardiac output to try and deliver sufficient oxygen to tissues. This sustained high demand can overwhelm the heart, causing high output failure.
- Thyrotoxicosis: This is a condition of excess thyroid hormones. Thyroid hormones increase the body's metabolic rate and heart rate, directly boosting cardiac output. Prolonged thyrotoxicosis can lead to heart muscle changes and eventually high output cardiac failure.
Conclusion on Causes
All three conditions—Beri-beri, severe anaemia, and thyrotoxicosis—are well-established causes of high output cardiac failure because they increase the heart's workload through mechanisms like vasodilation and increased metabolic demand.
Was this answer helpful?
Important Questions from Heart Failure
- Kussmaul's sign is present in all of the following conditions, EXCEPT:
- Which of the following electro-cardio-graphic findings are manifestations of digitalis intoxication?
1. Ventricular bigeminy
2. Ventricular tachycardia
3. Atrial flutter
4. Atrial tachycardia with variable block
Select the correct answer using the code given below: - A 35-year-old labourer worker consulted a local medical practitioner for recurrent attack of chest pain. His elder brother had similar complaint and died at the age of 40 years. The labourer worker was advised to take sublingual nitroglycerin at the time of chest pain. But after taking nitroglycerin, the chest pain increased in intensity. Which one of the following is most likely ?
- The treatment of choice for a 32 year old male patient of severe mitral stenosis (Rheumatic) with thickened and calcified valves on echocardiography is:
- A 55-year old man, non smoker presents with sudden onset of shortness of breath. On examination, pulse rate is 110/minute and B.P. 180/110 mm Hg. Patient is restless and anxious. Examination of chest shows bilateral rhonchi and crepitation. $S_3$ gallop is heard on auscultation of precordium. There is no history of chronic bronchitis. The most likely diagnosis is:
Need Expert Advice?
