41 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... are enough to diagnose ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
A - Biphasic T wave ... Deeply inverted T wave ... #TypeA #TypeB #Classification ... Types #Cardiology #EKG ... #Diagnosis
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
appearance on ECG ... to the flutter waves ... #Diagnosis #ECG ... #EKG #Cardiology ... Flutter #Types #Classification
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... hypertension Management ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... Anesthesiology #Anesthesia ... #Checklist #Diagnosis ... #Management #Workup
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... - Absence of T wave ... potassium #high #diagnosis ... #management #algorithm
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
depression • T wave ... CM5 continuous ECG ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Hypertension in Anesthesiology - Differential Diagnosis and Management 

Initial checklist: 
 - Verify BP (e.g. surgeon
- Differential Diagnosis ... and Management ... Check sources of anesthetic ... - Increase anesthetic ... #Management #Checklist
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram