12 results
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Widened Pulse Pressure ... Pulse pressure ... Pulse Pressure = ... Hyperdynamic circulation/High ... #causes #cardiology
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
beats: • Left heart ... drop in arterial pressure ... • Hypovolemic shock ... regurgitation • High ... Diagnosis #Algorithm #causes
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... sclerosis (both heart ... Hyperdynamic circulation/High ... output heart failure ... #cardiology
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
invasive blood pressure ... UNDERdamped = falsely HIGH ... cardiac output shock ... between lungs and heart ... and causes stroke
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Failure - Pathophysiology ... Congenital (e.g., HHT), Acquired ... Differential #Diagnosis #cardiology ... #causes
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
pressure (~100 ... = high-output state ... of diastolic heart ... EtOH causes thiamine ... Fingernails #Nailbed #Cardiology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Collapse: • Pathophysiology ... - Decreased pulse ... High body temperatures ... Emotional instability, Confusion ... differential #diagnosis #causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
wide vs. narrow pulse ... pressure • Pulm ... areas, back of thigh ... delivery • MI, Heart ... #differential #causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
wide vs. narrow pulse ... pressure • Pulm ... areas, back of thigh ... delivery • MI, Heart ... #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 ... Control blood pressure