15 results
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Diagnosis SHOCK ... >8, CVP > 12 ... CO / High SVR, JVP ... >8, CVP > 12 ... < 6, CVP < 8
Canon A waves in a patient with AV dissociation

Occurs due to the simultaneous contraction of atria
patient with AV dissociation ... in the JV. ... #waves #AV #dissociation ... clinical #video #JVP ... #jugular #neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... PCWP • Exam: ↓ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↑ JVP ... PCWP • Exam: ↓ JVP
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Cannon A Waves on ... Neck Examination ... AV dissociation ... #Neck #PhysicalExam ... #JVP #Clinical
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in ... AVNRT on Neck Physical ... shown , what’s the diagnosis ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
which rules out CV ... have elevated JVP ... the underlying diagnosis ... #Giant #PHTN #JVP ... #Neck #PhysicalExam
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Diagnosis - Absent ... Atrioventricular dissociation ... - Large cv waves ... Jugular #Waveforms #JVP ... #Differential #
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 ... excludes other differentials ... #PhysicalExam #JVP ... #Cardiology #Neck
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Diagnosis Algorithm ... - Low JVP ... #Hypotension #Differential ... #Diagnosis #Algorithm