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diagnosis management clinical anesthesia anesthesiology checklist intraoperative workup cardiology differential echocardiogram pulmonary criticalcare lung pericardial ultrasound tamponade classification complex pathophysiology
Oxygen Delivery by Device Nasal Cannula • Indicated for low-flow, low-percentage supplemental oxygen. • Flow rate of
high percentage FiO ... retention of exhaled gases ... • Uses either ... set to desired FiO2 ... #FiO2 #Pulmonary
Mask Oxygen Delivery Devices Simple Mask aka Hudson's Mask: • Flow 6-10 LPM • FiO2 35-50% Face Tent:
Mask Oxygen Delivery ... A venturi mask uses ... small valve to mix oxygen ... increases delivered oxygen ... nickmmark #Mask #Oxygen
Hypoxemic Respiratory Failure - Differential Diagnosis Framework DECREASED INSPIRED OXYGEN • Low PATM Can decrease first part
DECREASED INSPIRED OXYGEN ... gas equation • Causes ... Difficulty diffusing oxygen ... with supplemental oxygen ... with supplemental oxygen
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) - Respiratory symptoms must have begun within one
explained by pleural effusions ... of arterial oxygen ... fraction of inspired oxygen ... (PaO2/FiO2). ... mm Hg < PaO2 / FiO2
Hypotension - Guidelines for Crises in Anaesthesia Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
problem in adequate oxygen ... ❶ Adequate oxygen ... AND give 100% oxygen ... check measured FiO2 ... rate, rhythm, perfusion
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
- insufficient oxygen ... Hypoxemia - low oxygen ... type of hypoxia) PIO2 ... - atmospheric oxygen ... differential #diagnosis #causes
Differential Diagnosis for Hemolytic Anemia Intrinsic Causes: • Enzyme deficiencies ex. G6PD, pyruvate kinase • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Babesia, Malaria • Oxygen ... Intravascular Causes ... Differential #Diagnosis #causes
Increased Airway Pressure - Guidelines for Crises in Anaesthesia Using these steps from start to end should
should identify any cause ... . ❶Adequate oxygen ... AND give 100% oxygen ... check measured FiO2 ... rate, rhythm, perfusion
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
DP-PCWP Coronary Perfusion ... A-a Gradient (((FIO ... Tension ((FIO) ... 100-150 mmHg (FIO2 ... Barometric Pressure FIO2
Intraoperative Hypertension - Guidelines for Crises in Anaesthesia Hypertension is most commonly due to inappropriate depth of
problem in adequate oxygen ... stimulus. ❷ Adequate oxygen ... check measured FiO2 ... rate, rhythm, perfusion ... syndrome) • Medical causes
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