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male with pertinent past medical history including Atrial fibrillation, atrialflutter, cardiomyopathy, Pulmonary Embolism, and hypertension presented to the Emergency Department via ambulance for respiratory distress and tachycardia. Bedside ultrasound showed volume depletion and no pulmonary edema.
There is a regular wide complex tachycardia. A fully upright P-wave is typical atrial activity of atrialflutter as seen in V1. See these example cases of upright P-waves: Case Continued Thus, I was all but certain that this was atrialflutter. If it is flutter, it will reveal the underlying flutter waves.
Here was his prehospital ECG, which I viewed immediately while the resident performed cardiac ultrasound: What do you think? There is a narrow complex tachycardia at a rate of 130. Here is the cardiac ultrasound which the resident performed as I viewed the ECG: This shows a huge pericardial effusion. Is is sinus?
Here was his ED ECG: There is sinus tachycardia (rate about 114) with nonspecific ST-T abnormalities. There is a large peaked P-wave in lead II (right atrial enlargement) There is left axis deviation consistent with left anterior fascicular block. See my quick review of atrialtachycardia below) The tachycardia spontaneously resolved.
Check : [vitals, SOB, Chest Pain, Ultrasound] If the patient has Abdominal Pain, Chest Pain, Dyspnea or Hypoxemia, Headache, Hypotension , then these should be considered the primary chief complaint (not syncope). Most physicians will automatically be worried about these symptoms. Good History and Physical exam, including a.
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