44 results
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... Overview Symptoms ... Drugs/toxins • Metabolic ... Anticoagulation #Atrial ... #Fibrillation #Cardiology
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRYTHMIA • ATRIAL ... • ANAEMIA • METABOLIC ... #Palpitations #Causes ... Differential #Diagnosis #Cardiology
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... Hyperthyroidism - Increased Metabolism ... HeartFailure #CHF #Pathophysiology ... Differential #Diagnosis #cardiology ... #causes
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
bodies are a normal metabolic ... fatty acid (FA) metabolism ... state (HHS) - partial ... Glucosuria causes ... diagnosis #management #endocrinology
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
hypothyroidism Pathophysiology ... mitochondrial oxidative metabolism ... Hypothyroid #Myopathy #pathophysiology ... #signs #symptoms ... #endocrinology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Physiologic Causes ... Pathologic Causes ... Differential #Diagnosis #Pathophysiology ... #causes #cardiology
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
out of cells may cause ... Due to neuronal metabolism ... Signs/Symptoms/Complications ... DiabeticKetoacidosis #DKA #pathophysiology ... #endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
lipolysis Signs/Symptoms ... thickness) - metabolic ... #FeedbackLoop #endocrinology ... #pathophysiology
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... • Other rare causes ... diagnosis #signs #symptoms ... #endocrinology ... #pathophysiology
Causes of Atrial Fibrillation

Heart disease 
 - Aging heart 
 - Cardiomyopathies 
 - Congestive heart
Causes of Atrial ... Sleep apnea #Atrial ... Fibrillation #AFib #Cardiology ... #Pathophysiology