38 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
correctly diagnose a case ... that any given case ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue ... #Calculation #Table
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
- Differential ... Physiologic Causes ... Pathologic Causes ... #Pressure #Differential ... Pathophysiology #causes
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Causes of Wide Pulse ... Pressure - Differential ... • Hyperdynamic circulation ... Sepsis #Wide #Pulse ... #Diagnosis #causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Liebermeister's Rule Pulse-Temperature ... predictive value in pulse-temperature ... help hone your differential ... #Fagets #Sign #Pulse ... Dissociation #diagnosis #differential
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Faget Sign - Pulse-Temperature ... Dissociation Causes ... • Infectious Causes ... #Faget #Sign #Pulse ... #bradycardia #differential
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... - Differential ... - Variation in pulse ... Disorders #Cardiology #Differential ... Diagnosis #Algorithm #causes
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
Quincke's Pulse ... orthopnea/PND, wide pulse ... Workup for cause ... highest on my differential ... EtOH causes thiamine
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... extremities, narrow pulse ... extremities. narrow pulse ... findings based on cause ... uw_IMresidency #Shock #Differential
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Intravascular Hemolysis - Differential ... Hemolysis within circulation ... Extravascular #Differential ... Diagnosis #Algorithm #Causes
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
- Inability to differentiate ... simple arithmetic calculations ... able to copy Causes ... : Stroke (main cause