116 results
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... obstruction • COPD ... nickmmark #acidbase #workup ... #algorithm #diagnosis
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... HCO3 12:10 • Respiratory ... Acidosis (pCO2 ... HCO3 7:10 • Respiratory ... Differential #Diagnosis #Algorithm
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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 ... Perfusion Pressure COP ... Index CARDIAC WORK ... min 400-600 mL Respiratory ... ratio Respiratory
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
monitor cardiac & pulmonary ... • PvCO2 - Mixed ... Downsloping phase III: copd ... airway obstruction, copd ... patterns #diagnosis #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary
Non-Invasive Ventilation (BiPAP) Algorithm - Indications and Contraindications
Indications for NIV:
 • COPD - pH <7.35, pCO2
Ventilation (BiPAP) Algorithm ... Indications for NIV: • COPD ... - pH <7.35, pCO2 ... Neuromuscular disease - Respiratory ... Ventilation #BiPAP #Algorithm
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Algorithm for Management ... AECOPD) Obtain workup ... 2 (or complete respiratory ... #AECOPD #Algorithm ... Exacerbation #treatment #pulmonary
Chronic Hypercapnic Respiratory Failure Phenotypes
Pink Puffers (robust vent drive) ↑ their WOB when pulmonary mechanics gradually
Chronic Hypercapnic Respiratory ... their WOB when pulmonary ... worsen (despite the CO2 ... #Hypercapnic #Respiratory ... Failure #Phenotypes #COPD
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
a near-normal PaCO2 ... persistently increased work ... life-threat is increased work ... patients present with respiratory ... increase in the work
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
+ (↑ pH) • ↓ PCO2 ... + (Acid) • ↑ PCO2 ... pathophysiology #pulmonary ... #respiratory