3950 results
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
High CO / Low SVR ... Low CO / High SVR ... Abdominal compartment syndrome ... algorithm #treatment #management
Pressors and Inotropes

Norepinephrine
 • alpha1 > beta 1
 • Increase SVR > Inotropy
Vasopressin
 • V1
 •
1 • Increase SVR ... V1 • Increase SVR ... 1 • Increase SVR ... Inotropy > Increase SVR ... comparison #shock #management
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
Algorithm for Suspected SVC Syndrome

SVC syndrome suspected: Facial/arm/neck edema, distended neck/chest veins, facial plethora, dyspnea, cough,
Syndrome SVC ... syndrome suspected ... Syndrome Grading ... #Syndrome #Algorithm ... #diagnosis #management
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
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR ... Increases BP, SVR ... Increases HR, SVR ... Increases BP, SVR ... Pharmacology #Summary #management
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
Inherited Colorectal Cancer (CRS) Syndromes
Adenomatous Polyposis Syndromes:
 • Familial Adenomatous Polyposis (FAP), Attenuated FAP (AFAP), MUTYH
Colorectal Cancer (CRS) Syndromes ... Adenomatous Polyposis Syndromes ... Urinary → Lynch Syndrome ... Peutz-Jeghers Syndrome ... #diagnosis #management
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