9 results
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
AVNRT on Neck Physical ... ... regular cannon ... a waves in AVNRT ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
simultaneously at regular ... EKG of the same ... This tracing plus regular ... Hussainch #Cannon #Awaves ... #JVP #Cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... A regular rhythm ... conduction Regular ... diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Regular Rhythm - ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... 3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #differential
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
in the chest or neck ... exam • 12-lead ECG ... • Rapid and regular ... dysfunction • Bradycardia-tachycardia ... Valvular disease (e.g
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
P wave is hidden ... as 'pseudo-s' wave ... and 'pseudo-r' wave ... ECG usually shows ... : regular narrow
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... 300 = NSVT EKG ... No associated P-wave ... , and the T-wave ... #diagnosis #differential
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
heparinized tube) • ECG ... → sine wave → PEA ... only if no clear cause ... Monitor for tachycardia ... hypertonic Amp IVP