Physiology Pulmonary Tachycardia 
Dr. Smith's ECG Blog
MARCH 12, 2018
Notice I did not say "pulmonary embolism," because any form of severe acute right heart strain may produce this ECG. This includes, but is not limited to, PE, asthma/COPD exacerbation, hypoxic vasoconstriction from pneumonia, acute pulmonary hypertension exacerbation. Differences of Pulmonary Embolism T-waves from Wellens' T-waves: 1.
Dr. Smith's ECG Blog
OCTOBER 10, 2022
The morphology of V2-V4 is very specific in my experience for acute right heart strain (which has many potential etiologies, but none more common and important in EM than acute pulmonary embolism). CT angiogram showed extensive saddle pulmonary embolism. He had multiple cardiac arrests with ROSC regained each time.
Dr. Smith's ECG Blog
FEBRUARY 28, 2020
My answer: "This is classic for PE, but it can also be present in any hypoxia due pulmonary hypoxic vasoconstriction and resulting acute pulmonary hypertension and acute right heart strain. Tachycardia (or nearly) 2. An ECG was texted to me (Smith) without any clinical information: What did I say? This is NOT Wellens.
Dr. Smith's ECG Blog
NOVEMBER 19, 2016
The patient was transported to the CCU for further medical optimization where a pulmonary artery catheter was placed. In cardiogenic shock, fluid may worsen the pulmonary edema associated with acute heart failure, but may still be required to support the hemodynamic status of the patient. The mean MAP for these patients was 81 +/- 13.
Dr. Smith's ECG Blog
APRIL 8, 2015
If the patient has Abnormal Vital Signs (fever, hypotension, tachycardia, or tachypnea, or hypoxemia), then these are the primary issue to address, as there is ongoing pathology which must be identified. Fourth, syncope in the elderly often results from polypharmacy and abnormal physiologic responses to daily events. of ED visits.
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