10 results
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
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
and T wave abnormality ... Hyperacute Inferior ... Biphasic T-wave ... Q-wave in III, early ... classic pattern of Acute
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