85 results
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Tachycardia - ECG ... Definition and Causes ... aberrancy in the His-Purkinje ... diagnosis #cardiology #ekg ... #ecg #electrocardiogram
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... Differential #Drugs #Classes
Hyperkalemia (9.5) on ECG

ECG of an unconscious young man thought to be in "V-Tach"

His rate is
Hyperkalemia (9.5) on ECG ... ECG of an unconscious ... young man thought ... #Hyperkalemia #ECG ... #EKG #Electrocardiogram
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Drugs (antibiotics e.g ... Viral: HSV, EBV, HIV ... Nodosum #Mnemonic #Causes
Subtrochanteric Femur Fracture: Pathogenesis and clinical findings
 • Subtrochanteric region spans 5 cm distally from the
most common in young ... to the femur ( e.g ... vehicle accident in young ... #differential #causes ... #pathophysiology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Toxic Damage (e.g ... Displacement (e.g ... Quinidine • HIT ... Foreign Surface (e.g
Nephron Pathophysiology - Diuretic Sites of Action
Diuretics
1) Acetazolamide/canagliflozin
2) Osmotic agents (mannitol, urearetics)
3) Loop agents (eg, furosemide)
4)
Nephron Pathophysiology ... ) Loop agents (eg ... Adenosine #Nephron #Pathophysiology ... Action #nephrology #pharmacology
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
hypereosinophilia (HE) Caused ... cytokines Common causes ... disease Rare causes ... Lymphoid variant (e.g ... Viral infections (HIV
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Negative urine dip ... Positive urine dip ... Protein deposition (eg ... Diagnosis #Algorithm #Causes
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
the knees and hips ... Passive neck flexion causes ... While the pathophysiology ... for the hip/knee ... In very young (less