65 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... without chest pain, as ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... Polyuria = >3L ... solute intake (e.g ... #Differential #Diagnosis ... #Algorithm #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential Diagnosis ... concentration (e.g ... Water Deprivation Test ... #Nephrology #Differential ... #Diagnosis #Algorithm
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
Pericarditis on EKG ... Can also be seen ... #Pericarditis #EKG ... #ECG #electrocardiogram ... #cardiology #diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... diuresis (see Polyuria ... scheme) e.g., mannitol ... Hypernatremia #Nephrology ... #Differential #Diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... sign A - Biphasic ... sign B - Deeply ... #Equivalents #ECG ... #EKG #diagnosis
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential Diagnosis ... SGLT2 inhibitors (e.g ... #Differential #Diagnosis ... #Causes #nephrology
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
Deficiency Clinical Diagnosis ... - Caine Criteria ... abnormalities (eg ... B1 #Deficiency #diagnosis ... #criteria #neurology
Primary Biliary Cirrhosis - Diagnosis Algorithm
Symptoms: Fatigue, Pruritus, Right upper quadrant discomfort
Signs: Jaundice, Xanthelasmata, Hepatomegaly
Associated history:
quadrant discomfort Signs ... autoimmune disease (e.g ... PBC if 2/3 criteria ... Elevated ALP 2. ... specific ANAs (e.g
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... also known as a ... Babinski sign, ... PhysicalExam #Diagnosis ... #Neurology