ECG Challenge of the Month

ECG Challenge: It's the Level of the Block that CountsThis 83-year-old man is treated only for hypertension and says he "feels like Tarzan." The routine ECG says otherwise.
ECG Challenge: Leg Swelling, Short of BreathA 51-year-old man is seen in ED for progressive dyspnea, near syncope on exertion, bilateral edema. What does the tracing tell you?
Hypotension and Near-syncope in a 66-year-old WomanHer history includes diabetes, ESRD, coronary disease, and complete heart block after pacemaker implantation. What's your ECG read?
Mechanical FallA 72-year-old woman sustains a distal radius fracture during a fall after losing her balance. She denies syncope. What's your ECG read?
Tachycardia in a 24-year-old WomanYoung woman without known medical history; past bouts of anxiety and palpitations dismissed as "panic attacks." What's your ECG read?
Incidental ECG Finding in a 77-Year-Old ManHis hernia surgery is scheduled but these results of a routine pre-op ECG could change plans. What's your ECG read?
ECG of the Month: Not all WCTs are VTExamine the single lead EMS rhythm strip carefully. What is in your DD of regular wide complex tachy?
Hypomagnesemia in an 89-year-old WomanThe most common cause of hypomagnesemia is a diuretic; it may be present even when potassium level is normal.
Chest Pain, Palpitations, Seizure in an Elderly WomanPatient has a history of hypertension; symptoms present x1 day; what's your read of the ECG?
Elderly Woman Presenting with Hypotension and Tachycardia
Elderly Woman Presenting with Hypotension and TachycardiaAn elderly woman with no known cardiovascular issues is seen for acute onset palpitations, dyspnea, and chest pain.