18 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Algorithm Ventilation/perfusion ... • Pulmonary Arterial ... Right to Left Shunt ... Defect ** • Atrial ... Right to Left Shunt
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Only: • Poor Perfusion ... Left-to-Right Shunt ... Arteriosus • Atrial ... Right-to-Left Shunt ... Transposition of the Great Arteries
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Summary A defect in arterial ... 1) or anatomic shunt ... passage • Arterial ... blood gas (ABC) ... older) on room air
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... - Anatomic Shunt ... Disease and more • Diffusion ... Gradient #alveolar #arterial
Pericardial Clot on Echocardiogram

ST elevation of acute pericarditis was misdiagnosed as STEMI and thrombolysed with SK
thrombolysed with SK ... hemorrhagic pericardial effusion ... #Pericardial #effusion ... clinical #cardiology #a4c
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
syndrome, OSA DIFFUSION ... VIQ mismatch and shunt ... of reversible diffusion ... pulmonary embolus SHUNT ... shunting (eg, atrial
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
suggested by warmth, effusion ... non-activity, may have effusion ... the morning • Effusion ... gonorrhea) • Bacterial ... Differential #Diagnosis #MSK
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Morphology = multifocal atrial ... • Saw-Tooth = Atrial ... Dominant R wave in aVR ... all leads except aVR
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
SP+2DP)/3 Mean Arterial ... Mean Pulmonary Arterial ... DP-PCWP Coronary Perfusion ... Qt 0.0-7.0 % Shunt ... 80-100 mmHg arterial
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
70 mmHg on 100% mask ... MV < 10L/min, Shunt ... /500mL NS) IV Infusion ... 0.35mg/kg) IV Infusion ... 0.1mg/kg) IV Infusion