10 results
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Hyperacute Inferior ... Biphasic T-wave ... classic pattern of Acute ... , resulting in InferoPosterior ... Cardiology #EKG #STEMI #InferoPosterior
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Opposing leads ST ... anteroseptal and inferior ... weeks following an acute ... Post-cardioversion • Acute
De Winter's T-waves in precordial leads and ST elevation in inferior leads.  There are already
precordial leads and ST ... elevation in inferior ... supplying the inferior ... #Clinical #EM #Cardiology ... EKG #DeWinter #TWaves
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
women • DDx: Acute ... - hyperacute T waves ... - deWinter T waves ... stenosis - U wave ... in avL - early inferior
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
sign A - Biphasic anterior ... Deeply inverted anterior ... asymmetrical, broad-based anterior ... deviation) • Acute ... inversions in the anterior
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
ECG changes in acute ... with reciprocal ST ... 3 - diffuse T wave ... becomes normal OR T waves ... inverted #Diagnosis #EM
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... EKG findings in acute ... • Dominant R Wave ... Leads (VI-V3) +/- Inferior ... Changes • STE
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Acute myocardial ... infarction: ST ... artery (LMCA). left anterior ... overdose: Prominent R wave ... prominent terminal R wave
There is inferior ST elevation with reciprocal ST depression in aVL and  in lead I,
There is inferior ... ST elevation with ... conduction delay (R'-wave ... #Clinical #EM #Cardiology ... #EKG #STEMI #Inferior
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
proportions to identify acute ... the setting of ST-elevations ... / S-wave < -0.25 ... indicative of acute ... MI #Diagnosis #EM