ALS CAD Definition 
High Performance EMS
AUGUST 9, 2024
Some computer-aided dispatch (CAD) software did better than others by considering the average travel time of an actual route instead of allowing nearness to be determined by a straight-line distance. If available, the supervisor is added to effectively create an ALS transport ambulance.
Dr. Smith's ECG Blog
NOVEMBER 3, 2023
A man in his 70s with past medical history of hypertension, dyslipidemia, CAD s/p left circumflex stent 2 years prior presented to the ED with worsening intermittent exertional chest pain relieved by rest. Hayakawa A, Tsukahara K, Miyagawa S, et al. Written by Nathanael Franks MD, reviewed by Meyers, Smith, Grauer, etc. Am J Emerg Med.
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Dr. Smith's ECG Blog
JULY 11, 2019
He also had non-acute CAD of the RCA (50%) and LCX (50%). B OTTOM L ine : While ECG #1 does not satisfy the definition of a STEMI — as per Dr. Meyers, it really looks like a cute L AD O MI. CLICK HERE — for a brief article by Rowlands et al that explains these concepts in more detail. Cath images: Before intervention.
Dr. Smith's ECG Blog
NOVEMBER 30, 2022
Reference on Troponins: Xenogiannis I, Vemmou E, Nikolakopoulos I, et al. J Electrocardiol [Internet] 2022;Available from: [link] Cardiology opinion: Takotsubo Cardiomyopathy (EF 30-35%) V Fib Cardiac arrest Prolonged QTC NSTEMI (Smith comment: is it NSTEMI or is it Takotsubo? -- these are entirely different) Moderate single-vessel CAD.
Dr. Smith's ECG Blog
JULY 22, 2023
The patient proceeded to cath where all coronaries were described as normal with no evidence of any CAD, spasm, or any other abnormality. In the largest study looking at this topic by Mizusawa et al., Recently the rate of true arrhythmic events related to fevers in the classic Brugada Type 1 syndrome was explored by Michowitz et al.
Dr. Smith's ECG Blog
MARCH 6, 2019
Lead I has a definitively hyperacute T-wave without STE. She also had non-acute CAD of the left main (50%) and LCX (75%). Patel et al., Krucoff et al.) Patel et al. Krucoff et al. Schomig et al. This ECG shows persistent Occlusion MI but does not meet STEMI criteria. II, III, aVF, and V6 have STD.
Dr. Smith's ECG Blog
JANUARY 30, 2019
A formal echocardiogram was completed the next day and again showed a normal ejection fraction without any focal wall motion abnormalities to suggest CAD. In the largest study looking at this topic by Mizusawa et al., She has not had a heart catheterization or after this event so the presence or absence of CAD is still unknown.
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