75 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... anterior descending (LAD ... : Differential diagnosis ... complex tachycardia ddx ... only looks at aVR lead
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
Diagnosis: Congenital ... Cooper Neurology ... Congenital #Nystagmus #PhysicalExam ... clinical #video #neurology ... #ophthalmology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
What’s your ddx? ... cranial nerves VII, IX ... mee-mee-mee;” CN IX ... Fasciculations #PhysicalExam ... #CNXII #CN12 #Neurology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Ddx? ... Ddx is very broad ... here is what can lead ... Final dx: Septic ... Rash #clinical #photo
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
0.15mV women • DDx ... have no pain - LAD ... avR - proximal LAD ... infarct, get a 15 lead ... Ischemia #ECG #EKG #diagnosis
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Robertson #Pupil #neurology ... #diagnosis #ophthalmology ... #physicalexam
Interpreting Kidney Biomarkers

↑ Creatinine: 
 • AKI, CKD
 • Medications that lead to nephroprotective ↓ in
Medications that lead ... Kidney #renal #diagnosis ... #laboratory #nephrology
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
function of the DIP ... distal to the DIP ... injury with axial load ... Swollen and tender DIP ... Radiology #XRay #Diagnosis
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... Neurogenic Ptosis - Neurologic ... brainstem may lead ... Syndrome #Ptosis #neurology ... #ophthalmology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
- Differential Diagnosis ... Exogenous solute load ... #Differential #Diagnosis ... Algorithm #causes #nephrology