260 results
Vasopressors and Inotropes - Pharmacology Summary
Vasopressors
Phenylephrine (alpha-1)
 • Increases BP, SVR
 • Risk of reflex bradycardia
Increases BP, SVR, CO ... Increases HR, SVR, CO ... • Higher doses cause ... contractility, CO ... cAMP/cGMP • Causes
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO ... third-spacing • ↓ CO ... arrhythmia • ↓ CO ... PE, PAH • ↓ CO ... findings based on cause
Causes of Acute and Chronic Pelvic Pain - Differential Diagnosis Algorithm
Acute Pelvic Pain:
 • Non-Gynecologic
 •
Causes of Acute ... Pelvic Pain: • Co-morbidities ... Diagnosis #Algorithm #Causes
Mean Arterial Pressure (MAP)

Average arterial pressure throughout one cardiac cycle, systole, and diastole. 
Surrogate indicator of
Cardiac Output (CO ... (CVP) MAP = (CO ... Cardiac output (CO ... cardiacoutput #Co ... #SV #lvdv
Carbon Monoxide Poisoning

Symptoms are non-specific:
 - Headache 90%
 - Nausea/vomiting 50%
 - Vertigo 50%
 - Altered
Headache 90% - Nausea ... questions: - Co-ocupants ... - Alarm (for CO
Causes of Chronic Pelvic Pain (> 6 months in duration) - Differential Diagnosis Algorithm
Co-morbidities:
 • Somatization
Causes of Chronic ... Diagnosis Algorithm Co-morbidities ... Diagnosis #Algorithm #Causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
POCUS Amazing video ... significantly, it causes ... echogenic as in this case ... for underlying cause
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
is identified (video ... Sure enough, CO ... Workup for cause ... "just another case ... EtOH causes thiamine
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 ... Obstructive Shock - Low CO ... #differential #causes
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... PhysicalExam #clinical #video