Background: Left Bundle Branch Block (LBBB) on the ECG makes accurate recognition of ST-Elevation Myocardial Infarction (STEMI) rather difficult. The 1996 and 2004 American College of Cardiology/American Heart Association (ACC/AHA) STEMI guidelines recommended immediate reperfusion therapy for patients with potentially ischemic symptoms and new, or presumed new, LBBB. In 2013, this recommendation was removed from […]
Archive for category: ECG
Background: As emergency providers we must be smarter than our ECG machines. Many times subtle findings on ECGs are not read by the machine, but we must be the experts at making the distinction between findings that require emergent treatment versus more benign etiologies. One specific set of diagnoses that can be very difficult to […]
A 52 year old female with a past medical history of type II diabetes mellitus and tobacco abuse presents with a chief complaint of chest pain.
According to the patient she had about 2 – 3 months of stuttering, substernal chest pain without any radiation. She described the pain as pressure-like, with activity, but that it would typically resolve after a few minutes of rest. Today she awoke with substernal chest pain that never resolved and continued in the emergency department. She quantifies her pain as 7/10 and not relieved with 2L nasal cannula of oxygen, 325mg PO aspirin, and SL NTG x3.
BP 127/89 HR 76 RR 20 O2 sat 100% on 2L NC Temp 99.3
Awake, A&Ox3, appears uncomfortable
Mild JVD on examination
RRR w/o m/r/g
2+ pulses in her extremities, no edema
ECG is shown (No prior ECG for comparison)…..
Animal bites are a common cause of injury in the United States. About 4.5 million Americans/year (5% of all traumatic wounds in the ED) will sustain a bite injury. Dog bites compromise a majority of these wounds. The classic teaching is that dog bites should not be closed primarily and they should all be prophylactically […]
89 year old male with PMH of hypertension, stage 3 chronic kidney disease with chief complaint of shortness of breath. Several days ago patient had a laminectomy for radicular pain. He was doing fine post-operatively and began to develop gradual shortness of breath. He had no complaints of chest pain, nausea/vomiting, fevers, diaphoresis, but did have some weakness. There were no prior ECGs for comparison.
BP: 98/48 HR: 103 RR: 18 O2 on RA: 94% Temp: 38.6
JVD to the angle of the mandible
Bilateral lower extremity pitting edema
Labs: Na 125, K+ 4.2, Creatinine 2, BNP > 2500
ECG from triage is shown… Read more →