105 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
• Hypoxia • Pulmonary ... hypertension Management ... • Oxygen • ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... Temperature Right ... MatthewHoMD #Oxygen ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
• Flow rate of ... • Flow rate of ... • Flow rate of ... Delivery #FiO2 #Pulmonary ... Equipment #Devices #Management
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x 0.03)} DO2 = Rate ... of oxygen delivery ... Delivery #Equation #pathophysiology ... #pulmonary #apples
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... Hypoxemia #summary #pulmonary ... #differential #diagnosis ... #causes #pathophysiology
Truncus Arteriosus
 • Basic Information
 • Embryology
 • Associated anomalies
 • Pathophysiology/Presentation
 • Pre-operative management
 •
anomalies • Pathophysiology ... Pre-operative management ... Cardiomegaly, increased pulmonary ... vasculature, right ... Truncus #Arteriosus #diagnosis
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
Mask Oxygen Delivery ... not tolerate a tight-fitting ... specified flow rate ... Delivery #Devices #management ... #pulmonary #criticalcare
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
– CVP]/CO) ● Pulmonary ... SVI = CI/heart rate ... SVI x 0.136) ● Oxygen ... Hb x SaO2) ● Oxygen ... Interpretation #Diagnosis
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hypoxemia - Workup and Management ... Aspiration, Flash Pulmonary ... Bronchospasm, Pulmonary ... PPI Oxygen Therapy ... #Management #treatment
Atrial Fibrillation Overview

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

1. Why?
Cardiac:
• Valvular heart disease
•
Palpitations, light-headedness ... Noncardiac: • Pulmonary ... Rate Control • ... Fibrillation #Cardiology #Management