22 results
Coarctation of the Aorta 

Preductal Coarctation:
Narrowing is proximal to ductus arteriosus Life-threatening if severe; seen in
Aorta Preductal ... Appears when ductus closes ... #Aorta #Preductal ... Postductal #Congenital #Diagnosis ... #Peds #Pediatrics
Figure of 3 Sign - Coarctation of the Aorta on Chest X-Ray

The figure of 3 sign
the Aorta on Chest ... appearance of the aorta ... segment of the aorta ... the descending aorta ... #Coarctation #Aorta
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Causes of Cyanosis ... the Newborn - Differential ... Diagnosis Algorithm ... Coarctation ... Pediatrics
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... respond to SSRIs • Coarctation ... of Aorta • Other ... #Hypertension #differential ... #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
: Acute STEMI, Aortic ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... Interpretation #differential
Age Distribution of Hypertension Etiologies
< 1 month
 - Renal arterial thrombosis
 - Congenital renal disease
 -
of the aorta ... of the aorta ... #Hypertension #Causes ... #differential # ... age #pediatrics
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 ... Pulse deficit/differential ... #Dissection #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis ... #differential #
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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... Post-cardioversion • Acute aortic