11 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant ... Tachycardia (AVNRT) - Pathophysiology ... - In most case ... ECG usually shows ... Tachycardia #AVNRT #Pathophysiology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT Prolonged ... Pre-analytical cause ... intravascular coagulation (DIC ... #Causes #diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... aPTT are both prolonged ... Causes include : ... Pre-analytical cause ... intravascularcoagulation (DIC
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... - Congenital (e.g ... Systemic Vasdilation, AV ... HeartFailure #CHF #Pathophysiology ... Diagnosis #cardiology #causes
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
syncope • Prolonged ... • AV block ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table #Causes
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Uterine fatigue (e.g ... . prolonged/induced ... intravascular coagulation (DIC ... Diagnosis #Algorithm #Causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation (DIC ... Thrombocytopenia • Prolonged ... protein C and S Pathophysiology ... Treat primary cause ... Coagulation #diagnosis #causes
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
hyalinization causes ... underlying venule -> AV ... BRB breakdown causes ... arterioles causes ... #Retinopathy #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
causing ↓SA node and AV ... PR interval to prolong ... PR interval to prolong ... Classification #Classes ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
causing ↓SA node and AV ... PR interval to prolong ... PR interval to prolong ... Classification #Classes ... #pathophysiology