KROK 1 2023 – Question 5 · KROK (Medicine) · Pathophysiology
A patient was hospitalized with complaints of periodic attacks of palpitations that pass on their own. ECG detected an episode of contractions with the rate of 200/min. and the following characteristics: regular rhythm, no P wave, unchanged QRS complex, deformed T wave. What type of arrhythmia is it?
- A. Ventricular extrasystole
- B. First-degree AV block
- C. Atrial extrasystole
- D. Complete AV block
- E. Paroxysmal supraventricular tachycardia
Hint
Weigh the rate and regularity, the unchanged QRS and the sudden onset and spontaneous end of the attacks, and decide whether this is a single premature beat, a conduction block or a sustained fast rhythm.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Pathophysiology
- In a patient with hypochromic anemia, erythrocytes contain 45% of HbS and 55% of HbA1. What type of anemia is it?
- A group of alpinists, who were climbing to the altitude of 5000 meters above sea level without oxygen equipment, developed tachycardia, decreased…
- A patient has an abscess in the left inguinal region. The patient developed complaints of general weakness, fever that in the evening reaches 38.5°C…
- The course of hemorrhagic shock was complicated by the development of acute renal failure in the patient. What is the initiating link in the…
- A 47-year-old woman complains of protracted vomiting. She has lost a large amount of gastric juice. What acid-base imbalance can be suspected in…
- The height of a 10-year-old child is 178 cm, while the child’s weight is 64 kg. What endocrine gland is dysfunctional in the child, causing this…