322 results
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... Hyperkalemia is caused ... impaired renal function ... rarely the sole cause ... #Differential #Causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Etiologies of dilated cardiomyopathy. HF, heart failure; HFrEF, heart failure with reduced ejection fraction; HIV, human
reduced ejection fraction ... diagnosis #cardiology #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... country), thyroid function ... patients if the cause ... Differential #Diagnosis #Causes
Marfan Syndrome - Signs and Symptoms

- Caused by mutations in the fibrillin-1 (FBN1) Gene (chromosome 15)
-
Symptoms - Caused ... Abnormal fibrillin function
TOPCAT - Spironolactone for Heart Failure with Preserved Ejection Fraction

N Engl J Med 2014; 370:1383-1392 https://www.nejm.org/doi/10.1056/NEJMoa1313731

CONCLUSIONS:
Preserved Ejection Fraction ... preserved ejection fraction ... cardiovascular causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor Function ... Erb's Palsy is caused ... palsy" is a common cause ... Tunnel Syndrome - Causes ... Dislocation - May cause
Echocardiography
Right ventricular function can be assessed using several methods and echocardiography is generally the first‐line tool
Right ventricular function ... predictive of all‐cause ... Diagnosis #Cardiology #POCUS
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Decreased kidney function ... Sterile pyuria, WBC casts ... Diagnosis #Algorithm #Causes
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
otalgia Most Common Causes ... externa Mechanical Causes ... impaction Infectious Causes ... anorexia Other Causes ... Physical Exam: • Traction