A 70-year-old man presents to the clinic for follow-up of symptomatic heart failure. He reports New York Heart Association (NYHA) class III…

…a documented history of Wolff-Parkinson-White (WPW) syndrome presents to the cardiology clinic. He reports experiencing occasional episodes of a rapid heart rate that…

…poorly tolerated episodes of palpitations. A 12-lead electrocardiogram (ECG) recorded during an episode in the emergency department demonstrates a regular, narrow-complex tachycardia at…

…for a routine evaluation. He reports feeling entirely well and denies experiencing any dyspnea, angina, or presyncope. However, his family notes that over the past…

…currently asymptomatic and reports good medication adherence. His blood pressure is well-controlled at 128/78 mmHg. During the visit, the patient asks whether this…

…male with a history of coronary artery disease presents to the emergency department with severe chest pain and profound shortness of breath that began three…

A 62-year-old male presents to the emergency department with acute chest pain and is diagnosed with ST-elevation myocardial infarction (STEMI). He undergoes…

…symptoms are all suggestive of myocardial ischemia. Your colleague suggests that the ECG shows right bundle branch block (RBBB) , sinus tachycardia and abnormal Q-waves…

…pain and a feeling of tightness that began while he was climbing stairs. He has been experiencing short episodes of dyspnea over the past month…

…occassionally the sensation that the heart skips a beat. Clinical examination reveals nothing suspicious and the patient has not experienced any symptoms during the last…

A patient's ECG shows intermittently non-conducted P waves with a fixed PR interval. What type of AV block does this describe, and what…

A 64 year old male patient with hypertension. ECG is recorded during his annual health screening. He is asymptomatic during the recording. Heart rate 67…