34 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... : Acute STEMI, Aortic ... -4 can have no pain ... #Ischemia #ECG ... #EKG #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
is caused by a ... the wall of the aorta ... tissue disorder e.g ... blood pressure: e.g ... #Dissection #diagnosis
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Acute Abdominal Pain ... (<72 hours) - Differential ... Diagnostic Algorithm ... Ruptured abdominal aortic ... Metabolic disease (e.g
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... spondyloarthritis (e.g ... spondyloarthritis (e.g ... : • Aorta: Dissection ... Diagnosis #causes
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework ... STE: "Pardee's sign ... Post-cardioversion • Acute aortic ... #ecg #ekg #electrocardiogram
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... Diagnosis HEMODYNAMIC ... vasoconstriction (e.g ... ) • Drugs (e.g ... #Diagnosis #nephrology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... the case as Typical ... excludes other differentials ... ’s called Frog sign
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
draw • Severe pain ... Mechanical • Aortic ... Medication side effect (e.g ... Medication side effect (e.g ... #Table #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... syndrome: • Flank pain ... hematuria • Signs ... renal vein between aorta ... #Diagnosis #causes