11 results
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
Neck Examination ... block, or, as this case ... for DDI and an atrial ... #AWaves #Neck # ... PhysicalExam #JVP
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Pressure Waveforms - Differential ... Absent a wave - Atrial ... pulmonic stenosis - Cannon ... Waveforms #JVP #Differential ... #Diagnosis #PhysicalExam
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
• c wave - caused ... bulging of the tricuspid ... y descent - is caused ... the y descent cannot ... Waveforms #JVP #PhysicalExam
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
is shown on the neck ... in CVP due to atrial ... diastole, when the tricuspid ... When the atrium ... Complete #HeartBlock #PhysicalExam
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
ventricle (RV), tricuspid ... forward flow like tricuspid ... Classic “cannon ... waves” caused by ... ’ descent with TR
Lancisi's Sign (Tricuspid Regurgitation) in a patient with Atrial Fibrillation

If you went to med school before
Lancisi's Sign (Tricuspid ... a patient with Atrial ... permanent AF, severe TR ... #Fibrillation #Neck ... #Video #AFib #PhysicalExam
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... to diagnose the case ... excludes other differentials ... Awaves #AVNRT #PhysicalExam ... JVP #Cardiology #Neck
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign - Differential ... infarction, massive PE, tricuspid ... stenosis, and severe TR ... Kussmauls #Sign #physicalexam ... #causes
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
hemoglobin in arterial ... HYPOXIA - Cells cannot ... Nick Mark MD @nickmmark ... summary #pulmonary #differential ... #diagnosis #causes
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
ketoacidosis (DKA) - caused ... state (HHS) - partial ... Glucosuria causes ... Nick Mark MD @nickmmark ... Disorders #ketones #differential