3247 results
Superior Vena Cava Syndrome on Physical Exam

Prominent dilated collateral veins are seen bypassing the SVC obstruction

#SVC
Superior Vena Cava Syndrome ... bypassing the SVC ... obstruction #SVC ... Superior #Vena #Cava #Syndrome ... #PhysicalExam #
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO x SVR ... third-spacing • ↓ CO, ↑ SVR ... PAH • ↓ CO, ↑ SVR ... anaphylaxis, release syndrome ... toxins • ↑ CO, ↓ SVR
Syncope in 3 Steps
1. Consider the 3 "S" Mimics: Seizure, low Sugar, Stroke (TIA)
2. Heart vs
Heart vs SVR Heart ... subclavian steal syndrome ... > fast or slow SVR
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... Differentiating VT from SVT ... EKG #ECG #Lead #AVR
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
superior vena cava syndrome ... Thyroid #Goiter #PhysicalExam ... vascular #neck #mass #SVC ... #Syndrome #otolaryngology
Pemberton's Sign - Thoracic Outlet Syndrome

The Pemberton maneuver is a physical examination tool used to demonstrate
Thoracic Outlet Syndrome ... (SVC), commonly ... Pembertons #Sign #PhysicalExam ... Clinical #Video #SVC ... #Syndrome #Vascular
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
1 • Increase SVR ... V1 • Increase SVR ... 1 • Increase SVR ... Inotropy > Increase SVR ... Inotropy, Decrease SVR
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
1500 d/s/cm5) (SVR ... -120 d/s/cm5) (PVR ... ml/beats/m2) (SVI ... [MAP – PCWP] x SVI ... mean PAp – CVP] x SVI
Algorithm for Suspected SVC Syndrome

SVC syndrome suspected: Facial/arm/neck edema, distended neck/chest veins, facial plethora, dyspnea, cough,
for Suspected SVC ... Syndrome SVC ... syndrome suspected ... Syndrome Grading ... #Syndrome #Algorithm
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
High CO / Low SVR ... Low CO / High SVR ... Low CO / High SVR ... Low CO / High SVR