10 results
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... AV dissociation ... for DDI and an atrial ... #Neck #PhysicalExam ... #JVP #Clinical
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Venous Pressure Waveforms ... - Differential Diagnosis ... Atrioventricular dissociation ... #JVP #Differential ... #Diagnosis #PhysicalExam
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 ... #AVNRT #PhysicalExam ... #Neck #Frog #Sign
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
have elevated JVP ... in the venous waveform ... the underlying diagnosis ... #Giant #PHTN #JVP ... #Neck #PhysicalExam
External Ventricular Drains (EVDs) & ICP waveform interpretation
An EVD is a temporary closed sterile system that
is increased (e.g ... P1 - related to arterial ... cerebral compliance (e.g ... Nick Mark MD @nickmmark ... #neurosurgery #diagnosis
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP ... #criticalcare #
Intra-Aortic Balloon Pump (IABP)

Intra-aortic balloon counter-pulsation is a method of invasive hemodynamic support. A catheter is
• Triggers (EKG ... Weaning by Nick ... Balloon #Pump #diagnosis ... #management #cardiology ... #criticalcare
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
): Measures CVP ... predicts FR by Nick ... Tolerance #testing #diagnosis ... #criticalcare # ... comparison #challenges #management
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

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