16 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
to diagnose the case ... excludes other differentials ... ’s called Frog sign ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
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 ... #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... STE: "Pardee's sign ... (Eiffel Tower sign ... #diagnosis #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... T waves - starts ... electrocardiogram #cardiology ... Interpretation #differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... or symptoms (eg ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... associated with rheumatologic ... life-threatening causes ... #Pericarditis #Symptoms ... #Signs #Presentation
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
diffuse goiter (Graves ... hyperthyroidism #causes ... #diagnosis #differential ... endocrinology #signs ... #symptoms #thyroid
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
those coming off aorta ... systemic sx + signs ... very remarkable w/differential ... them, but urgent rheumatology ... GCA #Temporal #Signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... < 30 years - Aorta ... Presentation - Systemic Symptoms ... purpura: strong sign ... #diagnosis #rheumatology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... Digoxin toxicity Symptoms ... may not occur Differential ... PVC #diagnosis #differential ... #cardiology