889 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Tachycardias - Pathophysiology ... Node, Atrium, AV ... Fibrillation • AV ... Tachycardia • AV ... #Tachycardias #Pathophysiology
Atrioventricular Septal Defect
aka AV canal defect aka endocardial cushion defect
 • Epidemiology and Associations
 • Embryology
Septal Defect aka AV ... Physical Exam • Pathophysiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Tachycardia (AVNRT) - Pathophysiology ... - Dual AV nodal ... stays inside the AV ... Tachycardia #AVNRT #Pathophysiology
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... Systemic Vasdilation, AV ... HeartFailure #CHF #Pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
causing ↓SA node and AV ... interval to prolong AV ... interval to prolong AV ... Classification #Classes #pathophysiology
BRASH Syndrome

B - Bradycardia
R - Renal failure
A - AV nodal blockade
S - Shock
H - Hyperkalemia

Typical ECG
Renal failure A - AV ... diagnosis #management #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
causing ↓SA node and AV ... interval to prolong AV ... interval to prolong AV ... Classification #Classes #pathophysiology
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
underlying venule -> AV ... #Retinopathy #pathophysiology
Adrenoceptor Actions
α1
 • Vascular smooth muscle - Contraction
 • Genitourinary smooth muscle - Contraction
 • Intestinal
• Heart - ↑ AV ... #pharmacology #pathophysiology
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Lactate/Pyruvate - AV ... beriberi #nutrition #pathophysiology