If you’ve been following the Prehospital 12-Lead ECG blog for a while, you know that I’m advocate of using Sgarbossa’s criteria to help identify acute STEMI in the presence of left bundle branch block (LBBB) or paced rhythm. According the Sgarbossa’s original criteria, 5 mm of discordant ST-segment elevation is required to identify AMI in […]
Here’s an interesting rhythm strip that was captured in the days before my EMS system had 12-lead ECG monitors. What do you think? *** Update 01/20/2010 *** Here is the rhythm strip taken on arrival at the hospital. Here is the 12-lead ECG that was captured at the hospital. Does that change anything?
In the January 2010 EMCast at EMedHome.com, Amal Mattu MD reviews Chang AM, Shofer FS, Tabas JA, et al. Lack of association between left bundle-branch block and acute myocardial infarction in symptomatic ED patients. Am J Emerg Med 2009;27:916-921. His comments confirm what I have suspected for a long time with regard to LBBB in […]
Here is a graphic I created to help explain Sgarbossa’s criteria for identifying acute myocardial infarction (AMI) in the presence of left bundle branch block (LBBB) or paced rhythm. In a previous article I showed this graphic which was created using PowerPoint. Here is a similar graphic I created this morning by cropping actual ECGs […]
EMS is called to the residence of a 77 year old male complaining of palpitations. Upon arrival, paramedics find the patient lying in bed. He is awake but lethargic. He is oriented to person, place, and time. The patient’s skin is cool, pale, and diaphoretic. He admits to chest discomfort and mild shortness of breath. […]
65 year old male collapses while playing tennis. The scene is less than 1 minute from the fire station. On arrival, bystanders are providing rescue breaths but no chest compressions. Medical history is unknown. Initial rhythm: First shock: Return of spontaneous circulation (ROSC) noted. Rhythm strip: 12 lead ECG: The patient is still unconscious. LMA […]