Mayo Clinic Q & A: Chronic sinusitis symptoms resemble a cold, but last months - Mayo Clinic News Network
Rapidly determining sinus tachycardia vs SVT. . What's the rate? Are there upright P waves? Is the PR interval constant? . Start here and follow along... | By The Visual Nurse | Facebook
Part 2 - Can Sinusitis Be Life Threatening? | The ENT & Allergy Center of Austin