4 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... + retrograde atrial ... activation from SVT (e.g ... #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 ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... shock state) • Tachycardia ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
- ↓ Effective arterial ... heparinized tube) • ECG ... bradycardia → sine wave ... Monitor for tachycardia ... hypertonic Amp IVP