5 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... dissociation + retrograde atrial ... activation from SVT (e.g ... AWaves #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... excludes other differentials ... #PhysicalExam #JVP ... #Cardiology #Neck
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
Renal Calculus AXR ... is desirable, e.g ... Limited value: cannot ... renal stones IVP ... stones #calculus #Radiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... /Afib/WPW) • Loss ... #Palpitations #Cardiology