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

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Oxygen-Hemoglobin ... Temperature Right ... MatthewHoMD #Oxygen ... Dissociation #Curve #pathophysiology ... #pulmonary #respiratory
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
(PAp) ● Pulmonary ... SVI = CI/heart rate ... SVI x 0.136) ● Oxygen ... Hb x SaO2) ● Oxygen ... Interpretation #Diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... - Differential Diagnosis ... shunting (eg, atrial ... #Differential #Diagnosis ... #pulmonary
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
and Hypoxia - Pathophysiology ... DPG so that the oxygen ... increased in all eight ... #hypoxia #pathophysiology ... #pulmonary
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
dissolved in arterial ... content of arterial ... Hypoxemia #summary #pulmonary ... #differential #diagnosis ... #causes #pathophysiology
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... Cardiac Work Index, Right ... Stroke Work Index, Right ... min 400-600 mL Respiratory ... ratio Respiratory
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
- Differential Diagnosis ... crackles in the right ... - Amount of oxygen ... evidence of left atrial ... rate, decreased
Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =
Oxygen Delivery ... x 0.03)} DO2 = Rate ... hemoglobin PaO2 = Partial ... Delivery #Equation #pathophysiology ... #pulmonary #apples
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
consistent with pulmonary ... lung collapse, or pulmonary ... by the ratio of arterial ... oxygen tension ... Definition #Criteria #Diagnosis