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Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... in aVR, a true sign ... is a good ECG sign ... #Clinical #EM #IM ... #Cardiology #EKG
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
STEMI - J point STE ... 0.5mm downgoing ST ... Equivalents / Don't Miss Signs ... - R/S >1 or ST ... electrocardiogram #cardiology
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Diagnosis for ST ... ) - BRUGADA SIGN ... SPIKED HELMET SIGN ... Differential #Diagnosis #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... : "Pardee's sign ... Opposing leads ST ... (Eiffel Tower sign ... differential #diagnosis #cardiology
Causes of Urinary Incontinence - Differential Diagnosis Algorithm
 - Transient - Easily reversible cause (DIAPPERS)
• Infection (UTI ... Atrophic urethritis/vaginitis ... Contraction - Signs
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
diffuse, positive, ST ... with reciprocal ST ... normalization of ST ... inverted #Diagnosis #EM ... #IM #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
- Elevation of ST ... and upsloping ST ... V2 • Wellens sign ... pain • Wellens sign ... #differential #cardiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... MH/CCF/CWRU EM ... Wrist #Carpal #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... MH/CCF/CWRU EM ... Scaphoid #Carpal #Radiology
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
1 - Widespread ST ... depression; In aVR: ST ... Normalization Spodick's sign ... electrocardiogram #cardiology