133 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... HCO3 12:10 • Respiratory ... HCO3 7:10 • Respiratory ... Alkalosis (pCO2 ... Differential #Diagnosis #Algorithm
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Respiratory Acidosis ... obstruction • COPD ... acidbase #workup #algorithm
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
Perform computations online at:
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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 ... +2PDP)/3 Mean Pulmonary ... Perfusion Pressure COP ... min 400-600 mL Respiratory ... ratio Respiratory
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
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Seen in this COPD ... Video via Dr. ... Sign #clinical #video ... #pulmonary #breathing ... #Trachea #COPD
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
Campbell’s sign or Tracheal Descent in Longstanding COPD

Patients with longstanding COPD may show downward displacement of
in Longstanding COPD ... with longstanding COPD ... #clinical #video ... #physicalexam #pulmonary ... #respiratory
Hoover’s Sign on Physical Exam

Paradoxical retraction of the lower intercostal spaces on inspiration in this patient
patient in severe COPD ... PhysicalExam #clinical #video ... #pulmonary #COPD ... #respiratory