20 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... narrow complex tach ... Awaves #AVNRT #PhysicalExam ... #JVP #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... - The distance from ... #VT #VTach #SVT ... #ekg #cardiology ... #diagnosis #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... junctional tachy not from ... longer pause 2º ... #EKG #diagnosis ... electrocardiogram #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... atrial activation from ... SVT (e.g., junctional ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Typically the JVP ... sucks in" blood from ... Kussmauls #Sign #physicalexam ... #diagnosis #cardiology ... #differential #causes
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
and positioning (e.g ... non-sinus → 2-7 Tachycardia ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... consultation with cardiology ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... opposite direction from ... Differential Diagnosis ... cardiomyopathy may result from ... #differential #cardiology
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
“cannon waves” caused ... systole). ↑ in TR from ... (↓ RV filling from ... Interpretation #Diagnosis ... #Cardiology #Venous
Intraoperative Tachycardia - Guidelines for Crises in Anaesthesia
Tachycardia in theatre is often due to inadequate depth
Guidelines for Crises ... obtain 12-lead ECG ... Intraoperative #Checklist ... #Diagnosis #Management ... #Workup