18 results
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
is caused by a ... Examine for: • Pulse ... deficit/differential ... deficit • Shock Treatment ... ~60 • Control blood
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Mechanism Decr Blood ... SSRIs) Severe pain ... Diagnosis #Table ... #Causes #Sodium
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine • 1ml blood ... hematuria • Signs ... renal vein between aorta ... #urology #nephrology
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Emotional stress • Blood ... draw • Severe pain ... Mechanical • Aortic ... Classification #Table ... #Causes
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... such as MI or aortic ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Management Summary Causes ... Hyperuricemia • Hyponatremia ... UA positive for blood ... #treatment #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... hypertension and signs ... renal bruit or signs ... Coarctation of aorta ... #Differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pleuritic chest pain ... anemia • Sputum/Blood ... Lung Abscess Differential ... Abscess #pulmonary #differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Cramps: • Muscle pain ... heat illness → Hypernatremia ... → Syncope • Signs ... - Decreased pulse ... #diagnosis #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... purpura: strong sign ... diminished, or tender pulses ... , bruis, or blood ... Large Vessel: Blood