26 results
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... • Hypovolemic shock ... regurgitation • High ... Abnormalities #Disorders #Cardiology ... Diagnosis #Algorithm #causes
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Congenital (e.g., HHT), Acquired ... #HeartFailure #CHF ... Differential #Diagnosis #cardiology ... #causes
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
= high-output state ... RHC to confirm high-output ... HF. ... Workup for cause ... Fingernails #Nailbed #Cardiology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Hyperdynamic circulation/High ... Sepsis #Wide #Pulse ... Differential #Diagnosis #causes ... #cardiology
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
UNDERdamped = falsely HIGH ... cardiac output shock ... double peaked pulse ... - late peaking pulse ... intrathoracic pressure and causes
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Physiologic Causes ... Pathologic Causes ... Hyperdynamic circulation/High ... Pathophysiology #causes ... #cardiology
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... wide vs. narrow pulse ... areas, back of thigh ... #differential #causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... of hypotension Shock ... wide vs. narrow pulse ... areas, back of thigh ... #differential #causes
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
dissection is caused ... Assess for high ... Examine for: • Pulse ... deficit • Shock
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Hypoaldosteronism • Acquired ... Food - Avoid in CRF ... differential #diagnosis #causes ... #potassium #high