43 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... 'widow maker' lesion ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Suspected ACS - OMI vs STEMI - Differential Algorithm

The name STEMI cognitively inspires EPs to fail
- Differential ... segment is the only ECG ... #Differential # ... Algorithm #cardiology ... diagnosis #coronary #syndrome
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... #Ischemia #ECG ... #EKG #diagnosis ... Interpretation #differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... (e.g., fever, myalgia ... Space-occupying brain lesion ... (e.g., meningitis ... Diagnosis #Algorithm #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(e.g. encephalitis ... ) • Brain lesions ... (e.g. stroke, tumor ... #diagnosis #neurology ... #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... , LAD, and hepatomegaly ... splenomegaly Other infections ... #Brain #differential ... #neurology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint Sign ... : UC and CD • infection ... (e.g. pseudomembranous ... #Differential # ... Diagnosis #radiology
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
FACIAL / NASAL LESIONS ... (e.g. ... Trigeminal trophic syndrome ... Facial #Central #Lesions ... infectiousdiseases #differential
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Secondary Amenorrhea - Differential ... <35 years old, e.g ... • Functional (e.g ... (e.g. lymphoma, ... Stalk Damage (e.g