A 65-year-old man presented to Emergency Room with severe chest pain. He was diagnosed as inferior MI and received thrombolytic therapy. Few hours later, he developed dizziness. EC... A 65-year-old man presented to Emergency Room with severe chest pain. He was diagnosed as inferior MI and received thrombolytic therapy. Few hours later, he developed dizziness. ECG is done. Blood pressure 80/50 mmg. Heart rate 41/min. Which of the following is the most likely diagnosis? A. 1st degree heart block B. 2nd degree heart block C. 3rd degree heart block D. 4th degree heart block
Understand the Problem
The question is presenting a clinical scenario involving a 65-year-old man who has experienced severe chest pain and abnormal vital signs after receiving thrombolytic therapy. The user is asked to identify the most likely diagnosis based on the information provided.
Answer
3rd degree heart block
The final answer is C. 3rd degree heart block
Answer for screen readers
The final answer is C. 3rd degree heart block
More Information
After an inferior myocardial infarction, conduction disturbances are common, and a 3rd degree heart block is a life-threatening condition often associated with severe hypotension and bradycardia.
Tips
A common mistake is confusing the symptoms with 2nd degree heart block. Remember that 3rd degree heart block leads to severe symptoms due to complete conduction block.
Sources
- Palpitations and Dizziness in a 65-Year-Old-Man - ECGpedia - en.ecgpedia.org
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