22 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... becoming acute anterior ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... V2 • Wellens sign ... pain • Wellens sign ... #Equivalents #ECG ... #EKG #diagnosis
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
chest infiltrate (e.g ... ., CXR, CT, ultrasound ... Inflammation (e.g ... Pulmonary symptoms (e.g ... chest pain) and signs
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
illness What: Key signs ... define the clinical syndrome ... illness script (e.g ... . brain and lung ... #History #HPI #Diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
, dyspnea, +/- CXR ... WBC >100k, + lab signs ... unless worrisome EKG ... #TLS #diagnosis ... #management #hematology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... can't make A-OK sign ... ), compartment syndrome ... Elbow #Humerus #Radiology ... #XRay #Diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... in avL - early inferior ... #Ischemia #ECG ... #EKG #diagnosis
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... (e.g. haloperidol ... hyperthermia crisis (late sign ... Anesthesia #Checklist #Diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... STE: "Pardee's sign ... (Eiffel Tower sign ... #cardiology #ecg ... #ekg #electrocardiogram
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... (e.g. incidental ... CXR finding) ... papules, nodules; anterior ... #Management #Signs