17 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
- Differential Diagnosis ... PCWP • Exam: ↓ JVP ... pressure, pallor ... findings based on cause ... #Differential #Diagnosis
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Widened Pulse Pressure ... Pulse Pressure = ... Pulse Pressure = ... Pressure: • Pulse ... of developing atrial
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
sound and carotid pulse ... • c wave - caused ... y descent - is caused ... Jugular #Waveforms #JVP ... #PhysicalExam #
Quincke's Pulse in Severe Aortic Regurgitation

Little physical exam finding for the end of the week! Quinke’s
Quincke's Pulse ... pressure, and rapid ... arterial pressure ... AorticRegurgitation #Diagnosis ... #PhysicalExam #
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
invasive blood pressure ... PRESSURE VARIATION ... (PPV) Pressure ... and causes stroke ... #artlines #diagnosis
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
- Differential Diagnosis ... • Obstructive arterial ... pressure >10mmHg ... #Differential #Diagnosis ... #Algorithm #causes
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Jugular Venous Pressure ... - Differential Diagnosis ... Jugular #Waveforms #JVP ... #Differential #Diagnosis ... #PhysicalExam #
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
pressure (~100 ... , and elevated JVP ... Workup for cause ... AorticRegurgitation #Diagnosis ... #PhysicalExam #
RA/CVP Waveform Interpretation

Central venous pressure (CVP) or right atrial pressure (RAP) waveform tracings can often times
Central venous pressure ... atrial pressure ... “cannon waves” caused ... pressures (↑ ‘v ... Interpretation #Diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... abrupt rise in RA pressure ... are enough to diagnose ... the case as Typical ... Awaves #AVNRT #PhysicalExam