9 results
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
High Output Heart ... Failure - Pathophysiology ... and Differential ... Metabolism Severe Anemia ... Diagnosis #cardiology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Pulse Pressure - Differential ... iron deficiency anemia ... viscosity) - anemia ... circulation/High output ... Diagnosis #causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Arrhythmias - Differential ... Causes: - High Output ... State: • Anemia ... #Arrhythmias #Cardiology ... #Differential #
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... regurgitation • High output ... Anemia, hypoglycemia ... Abnormalities #Disorders #Cardiology ... #Differential #
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... iron deficiency anemia ... circulation/High output ... #Diagnosis #Pathophysiology ... #causes #cardiology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
e.g low cardiac output ... SvO2 → Low PaO2 ANEMIC ... summary #pulmonary #differential ... diagnosis #causes #pathophysiology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Quincke's pulse = high-output ... to confirm high-output ... highest on my differential ... deficiency via several mechanisms ... Fingernails #Nailbed #Cardiology
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Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
Anemia of Hospitalization ... - Pathophysiology ... Hospitalization: Mechanisms ... Hospitalization #causes #pathophysiology ... #differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... ischemia or the mechanism ... - Low cardiac output ... 30mmHg) - Severe anemia ... Acidosis #Elevation #Differential