2257 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
and ventricles contract ... to JV when RA contracts ... excludes other differentials
Miosis Causes - 4 P's Mnemonic
Constricted: pupils < 2mm, Pinpoint: pupils < 1mm
 • Pain Killer:
4 P's Mnemonic Constricted ... PPPP #Mnemonic #differential
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Wall Thickening - Differential ... • Physiologic: Contracted ... Gallbladder #Thickening #Differential
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupillary Defects - Differential ... Optic Neuropathy Constricted ... Pupils #Defects #Differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... Diagnosis ECF volume contracted ... syndrome ECF volume contracted ... Metabolic #Alkalosis #Differential
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Causes of Miosis: Constricted ... Mydriasis #Miosis #differential
Floaters - Differential Diagnosis Framework

What?
Vitreous Floaters:
• Microscopic collagen fibers within the vitreous that tend to clump
Floaters - Differential ... syneresis) and contract ... As the vitreous contracts ... #Floaters #Differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Hypokalemia - Differential ... paralysis EABV contracted ... Hypokalemia #Nephrology #Differential
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
expands (instead of contracts ... acuteMI #cardiology #differential
Ventricular Outpouchings - Differential Diagnosis
Recess has narrow neck and does not reach half of myocardial wall
Outpouchings - Differential ... during systole, it contracts ... #Outpouchings #Differential