11 results
Criteria for Patients Under Investigation for 2019 Novel Coronavirus (2019-nCoV) / COVID-19

Fever or signs/symptoms of lower
or signs/symptoms ... AND A history of travel ... from Hubei Province ... AND A history of travel ... from mainland China
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... excludes other differentials ... Hussainch #Cannon #Awaves
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 ... indistinguishable from ... #differential #
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
cyst: • Arise from ... e.g. biopsy, car ... bruising/erythema/sign ... Patient may have fever ... diseases #benign #differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
junctional tachy not from ... 3 different P waves ... intervals >120-200ms from ... longer pause 2º ... electrocardiogram #cardiology #differential
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Travel Infectious ... international travel ... or shortness of breath ... saliva sample (e.g ... #Travel #Differential
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
diffuse goiter (Graves ... antibodies (TRAb) if Graves ... arrhythmia - Fever ... hyperthyroidism #causes ... endocrinology #signs
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
No associated P-wave ... , and the T-wave ... opposite direction from ... may not occur Differential ... PVC #diagnosis #differential
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
who lives or has traveled ... days and presents fever ... any child coming from ... attending physician (e.g ... organs #dengue #fever
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Enteroviruses (e.g ... • Headache • Fever ... Acute meningeal signs ... (fever, nuchal ... bacterial from