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Common Childhood Exanthems - Differential Diagnosis
1) Rubeola (Measles) - Measles morbillivirus (MeV)
2) Scarlet Fever - Streptococcus
Common Childhood Exanthems ... Parvovirus B19 6) Exanthem ... #Childhood #Exanthems
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
HHV) Herpes simplex ... infection Herpes simplex ... virus 6 HHV-6 Exanthema ... 7 HHV-7 Fever, exanthema-subitum-like
The six classic childhood exanthems
 • First Disease - Measles, Rubeola - Measles Virus
 • Second
classic childhood exanthems ... Disease - Roseola, Exanthema ... #childhood #exanthems
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... produce a hybrid complex ... onset of the QRS complex ... S-wave - RSR' complexes
Kawasaki Disease

Diagnostic criteria: 5-day fever PLUS four of the following…
 - 
Bilateral conjunctivitis
 - 
Cervical lymph
Polymorphous exanthem
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... premature junctional complex ... premature #atrial #complexes
Urticaria Mimics

Conditions That May Be Confused with Urticaria

Arthropod bites 
, Atopic dermatitis 
, Bullous pemphigoid 
,
pigmentosa , Viral exanthem
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Algorithm Narrow Complex ... tachycardia Narrow Complex ... conduction Wide-Complex ... Pacemaker-facilitated Wide-Complex ... aberrancy Wide-Complex
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
antigen-surface complex ... antigen-surface complex ... against these complexes ... or the entire complex
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Ill: - Viral Exanthem