60 results
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO ... third-spacing • ↓ CO ... failure, acute MI ... findings based on cause ... Differential #Diagnosis #table
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... Case description ... • This case should ... - **MSK rads ... Radiology #diagnosis #msk
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Testing Common causes ... Doppler ultrasound; MRA ... CT or MRI scan of ... Screening #Workup #table
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acute, massive MI ... Differential #Diagnosis #Table
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... Case description ... • MRI is more sensitive ... patella #clinical #mri ... Radiology #diagnosis #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... Case description ... • MRI: Posterolateral ... torn ligament on MRI ... Radiology #diagnosis #msk
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
Nonrebreather Mask ... retention of exhaled gases ... (namely CO,) during ... Venturi Mask (venti-mask ... • Uses either
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Hypovolemic Shock - Low CO ... Cardiogenic Shock - Low CO ... O2 delivery • MI ... Obstructive Shock - Low CO ... #differential #causes
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
meanPAP-PCWP) / CO ... mortality in inferior MI ... [(MAP - RAP) / CO ... (CPO) = (MAP x CO ... Ahmed Ghoneem, MD MSc
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Hypovolemic Shock - Low CO ... Cardiogenic Shock - Low CO ... O2 delivery • MI ... Obstructive Shock - Low CO ... #differential #causes